Hegan, Chester P. In Court of Customs and Patent Appeals, patent appeal no. 3959, in re Chester P. Hegan, filtering medium for air filters; brief for commissioner of patents.

Publication Title:
Hegan, Chester P. In Court of Customs and Patent Appeals, patent appeal no. 3959, in re Chester P. Hegan, filtering medium for air filters; brief for commissioner of patents.
Display Title:
Hegan, Chester P. In Court of Customs and Patent Appeals, patent appeal no. 3959, in re Chester P. Hegan, filtering medium for air filters; brief for commissioner of patents.
Corporate Agency Authors:
Patent Office and Commerce Department
Sort Author:
Patent Office
Date:
[1937.]
Publish Date ISO Format:
1937-01-01T00:00:00Z
Publication Start:
19370101
Publication End:
19371231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1937
SuDoc number:
C 21.10:H 361
Description:
cover title, 8 p. 4°
Notes:
‡ Official Use. Not Available.
Availability:
‡ Official Use. Not Available.
Monthly Catalog date:
January 1938
Monthly Catalog issue number:
517
Monthly Catalog page number:
1
Monthly Catalog issue date:
1938-01-01T00:00:00Z
Record start page number:
35

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