Spence, William H. In Court of Customs and Patent Appeals, patent appeal no. 2685, in re William H. Spence and Roy C. Bergen, internal combustion engines; brief for commissioner of patents.

Publication Title:
Spence, William H. In Court of Customs and Patent Appeals, patent appeal no. 2685, in re William H. Spence and Roy C. Bergen, internal combustion engines; brief for commissioner of patents.
Display Title:
Spence, William H. In Court of Customs and Patent Appeals, patent appeal no. 2685, in re William H. Spence and Roy C. Bergen, internal combustion engines; brief for commissioner of patents.
Corporate Agency Authors:
Patent Office and Commerce Department
Sort Author:
Patent Office
Date:
[1931.]
Publish Date ISO Format:
1931-01-01T00:00:00Z
Publication Start:
19310101
Publication End:
19311231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1931
SuDoc number:
C 21.10:Sp 32
Description:
cover-title, 11 p.
Notes:
‡ Official Use. Not Available.
Availability:
‡ Official Use. Not Available.
Monthly Catalog date:
February 1931
Monthly Catalog issue number:
434
Monthly Catalog page number:
1
Monthly Catalog issue date:
1931-02-01T00:00:00Z
Record start page number:
611

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