Liebergeld, Alfred. In Court of Customs and Patent Appeals, patent appeal no. 3110, in re Alfred Liebergeld and Fritz Singer, process of producing seamless tubes of iron alloys and the like by extrusion; brief for commissioner of patents.

Publication Title:
Liebergeld, Alfred. In Court of Customs and Patent Appeals, patent appeal no. 3110, in re Alfred Liebergeld and Fritz Singer, process of producing seamless tubes of iron alloys and the like by extrusion; brief for commissioner of patents.
Display Title:
Liebergeld, Alfred. In Court of Customs and Patent Appeals, patent appeal no. 3110, in re Alfred Liebergeld and Fritz Singer, process of producing seamless tubes of iron alloys and the like by extrusion; brief for commissioner of patents.
Corporate Agency Authors:
Patent Office and Commerce Department
Sort Author:
Patent Office
Date:
[1932.]
Publish Date ISO Format:
1932-01-01T00:00:00Z
Publication Start:
19320101
Publication End:
19321231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1932
SuDoc number:
C 21.10:L 621
Description:
cover-title, 8 p. 4°
Notes:
‡ Official Use. Not Available.
Availability:
‡ Official Use. Not Available.
Monthly Catalog date:
October 1932
Monthly Catalog issue number:
454
Monthly Catalog page number:
1
Monthly Catalog issue date:
1932-10-01T00:00:00Z
Record start page number:
262

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