In U.S. Court of Customs and Patent Appeals, patent appeal No. 3159, in re Charles Schaeffer, change-speed apparatus; brief for Commissioner of Patents.

Bibliographic Details
Other Authors: Schaeffer, Charles
Format: Government Document eBook
Language:English
Published: [Washington?] : U.S. Government Printing Office, 1932.
Subjects:
Online Access:Connect to the full text of this electronic document

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