Letter from the Secretary of State transmitting a list of all the patents for discoveries, inventions, and improvements, which have expired within the year 1835, &c.

Cancellation of patents for inventions and discoveries.
Published: (1886)

Patents for inventions.

Patents for useful inventions. Letter from the Secretary of State, transmitting a list of patents granted for useful Inventions during the year 1830.
Published: (1831)

Inventions and patents /
by: Edelman, Philip E., 1894-1984
Published: (1915)

Patents and patented inventions.
Published: (1886)

Patents for useful inventions -- 1836. Letter from the Secretary of State, transmitting lists of patents granted for useful inventions during the year 1836, &c.
Published: (1837)

Patents for new inventions, &c. Letter from the Secretary of State, transmitting a list of patents granted for new inventions during the year 1834.
Published: (1835)

[On state and condition of Patent office, and laws relating to issuing of patents for new and useful inventions and discoveries.].
Published: (1836)

Inventions, patents, and patent rights.
Published: (1919)

Patents for chemical inventions /
Published: (1964)

Patents for useful inventions, 1833. Letter from the Secretary of State transmitting a list of the names of persons to whom patents have been granted for new and useful inventions during the year 1833, &c.
Published: (1834)

List of patents for inventions and designs : issued by the United States, from 1790 to 1847, with the patent laws and notes of decisions of the courts of the United States for the same period /

Certain patents for inventions.
Published: (1888)

Patents granted in 1831. Letter from the Secretary of State, transmitting a list of the names of persons to whom patents have been granted for new inventions during the year 1831.
Published: (1832)

Chemical inventions and chemical patents.
by: Thomas, Edward, 1877-
Published: (1950)

Patents for useful inventions. Letter from the Secretary of State, transmitting a list of the names of persons who have invented any new or useful art, machine, &c., &c.
Published: (1833)

Letter from the Secretary of State, transmitting a list of the names of persons to whom patents have been issued for any useful invention, during the year 1820.
Published: (1821)

Patents for inventions.
Published: (1893)

Patenting and marketing your invention /
by: Rivkin, Bernard
Published: (1986)

From invention to patent : a scientist and engineer's guide /
by: Voldman, Steven H.
Published: (2018)

Letter from the Secretary of State, transmitting a list of the names of persons to whom patents have been granted for any new and useful invention, during the year 1822.
Published: (1823)

Inventions, patents, and patent rights.
Published: (1920)

Letter from the Secretary of State transmitting a list of the names of persons to whom patents have been issued during the year 1835, for any new or useful art, machine, &c. &c.
Published: (1836)

Letter from the Secretary of State, transmitting a list of the names of persons to whom patents have been granted for any useful invention from first of January, 1818, to first of January, 1819.
Published: (1819)

Inventing and patenting sourcebook /
Published: (1990)

Patenting of inventions by officers and employees of the Government.
Published: (1928)

Patenting the invention : application, prosecution, interference proceedings, with rules and forms.
by: Scher, V. Alexander, 1901-
Published: (1948)

Inventions and patents, their development and promotion /
by: Wright, Milton
Published: (1927)

Pioneer inventions and pioneer patents ; a lecture on patent law delivered to the senior engineering students of Purdue university ... /
by: Keiper, Frank
Published: (1924)

On the cost of patents of invention in different countries : a paper /
by: Hancock, W. Neilson (Wiliam Neilson), 1820-1888
Published: (1850)

List of patents for inventions and designs, issued by the United States, from 1790 to 1847 : with the patent laws and notes of decisions of the courts of the United States for the same period /
Published: (1847)

British patents of invention, 1617-1977 : a guide for researchers /
by: Van Dulken, Stephen, 1952-
Published: (1999)

Preventing the publication of inventions by the grant of patents.
Published: (1917)

The protection by patents of scientific discoveries : report of the committee on patents, copyrights and trade marks /
Published: (1934)

Reducing the time within which an interference with an issued patent may be permitted.
Published: (1939)

An essay on the law of patents for new inventions : with an appendix, containing the French patent law, forms &c. /
by: Fessenden, Thomas Green, 1771-1837
Published: (1810)