United States patent law sesquicentennial celebration.
A record of the proceedings commemorating the one hundred and fiftieth anniversary of the signing of the first United States patent law, 1790, April ten, 1940.

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Related Names
United States. Patent Office.
Language(s)
English
Published
[Washington, U. S. Govt. print. off., 1941]
Subjects
Patent laws and legislation > United States.
Patents > United States > History.
Note
Letter of transmittal signed: Conway P. Coe, commissioner.
Physical Description
72 p. 27 cm.
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