Bergen, Lewis S. In Court of Customs and Patent Appeals, patent appeal no 4415, in re Lewis S. Bergen, alloy steel piston rings; brief for commissioner of patents.

Publication Title:
Bergen, Lewis S. In Court of Customs and Patent Appeals, patent appeal no 4415, in re Lewis S. Bergen, alloy steel piston rings; brief for commissioner of patents.
Display Title:
Bergen, Lewis S. In Court of Customs and Patent Appeals, patent appeal no 4415, in re Lewis S. Bergen, alloy steel piston rings; brief for commissioner of patents.
Corporate Agency Authors:
Patent Office and Commerce Department
Sort Author:
Patent Office
Date:
[1940.]
Publish Date ISO Format:
1940-01-01T00:00:00Z
Publication Start:
19400101
Publication End:
19401231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1940
SuDoc number:
C 21.10:B 453/2
Description:
cover title, 13 p. 4°
Notes:
‡ Official Use. Not Available.
Availability:
‡ Official Use. Not Available.
Monthly Catalog date:
November 1940
Monthly Catalog issue number:
551
Monthly Catalog page number:
1
Monthly Catalog issue date:
1940-11-01T00:00:00Z
Record start page number:
1578

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