United States patent law sesquicentennial celebration.
Subtitle: 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.
Contributors: United States. Patent Office.
Publisher: U.S. Govt. print. off.
Published: 1940
Place of publication: [Washington
Language: eng
Number of pages: 72
Subjects: Patents -- United States -- History.; Patent laws and legislation -- United States.
Notes: Letter of transmittal signed: Conway P. Coe, commissioner.