Porter, John M. In Court of Customs and Patent Appeals, patent appeal no. 3253. in re John M. Porter, improvements in method of treating sludge; brief for commissioner of patents.

Publication Title:
Porter, John M. In Court of Customs and Patent Appeals, patent appeal no. 3253. in re John M. Porter, improvements in method of treating sludge; brief for commissioner of patents.
Display Title:
Porter, John M. In Court of Customs and Patent Appeals, patent appeal no. 3253. in re John M. Porter, improvements in method of treating sludge; brief for commissioner of patents.
Corporate Agency Authors:
Patent Office and Commerce Department
Sort Author:
Patent Office
Date:
[1933.]
Publish Date ISO Format:
1933-01-01T00:00:00Z
Publication Start:
19330101
Publication End:
19331231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1933
SuDoc number:
C 21.10:P 834
Description:
cover-title, 9 p. 4°
Notes:
‡ Official Use. Not Available.
Availability:
‡ Official Use. Not Available.
Monthly Catalog date:
September 1933
Monthly Catalog issue number:
465
Monthly Catalog page number:
1
Monthly Catalog issue date:
1933-09-01T00:00:00Z
Record start page number:
154

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