United States. Department of State & ProQuest (Firm). (1834). Patents which have expired. Letter from the Secretary of State transmitting a list of patents for new or useful discoveries which have expired during the year 1833, and the names of patentees, &c. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of State and ProQuest (Firm). Patents Which Have Expired. Letter from the Secretary of State Transmitting a List of Patents for New or Useful Discoveries Which Have Expired During the Year 1833, and the Names of Patentees, &c. Washington: [publisher not identified], 1834.
MLA (9th ed.) CitationUnited States. Department of State and ProQuest (Firm). Patents Which Have Expired. Letter from the Secretary of State Transmitting a List of Patents for New or Useful Discoveries Which Have Expired During the Year 1833, and the Names of Patentees, &c. [publisher not identified], 1834.