Digest of patents issued by U.S., from 1790 to Jan. 1, 1839 : Published by act of Congress, under superintendence of Commissioner of Patents, Henry L. Ellsworth, to which is added present laws relating to patents.
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| Format: | Government Document eBook |
| Language: | English |
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[Washington] :
Printed by Peter Force,
1840.
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| Online Access: | Connect to the full text of this electronic document |
| Item Description: | Includes index by name of inventor. Electronic resource. |
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| Physical Description: | 1 online resource (xix+671+errata pages) |