Perrin. Michael W. In Court of Customs and Patent Appeals, patent appeal no. 4874, in re Michael Willcox Pen-in, improvements in electrical insulation; brief for commissioner of patents.

Publication Title:
Perrin. Michael W. In Court of Customs and Patent Appeals, patent appeal no. 4874, in re Michael Willcox Pen-in, improvements in electrical insulation; brief for commissioner of patents.
Display Title:
Perrin. Michael W. In Court of Customs and Patent Appeals, patent appeal no. 4874, in re Michael Willcox Pen-in, improvements in electrical insulation; brief for commissioner of patents.
Corporate Agency Authors:
Patent Office and Commerce Department
Sort Author:
Patent Office
Date:
[1944.]
Publish Date ISO Format:
1944-01-01T00:00:00Z
Publication Start:
19440101
Publication End:
19441231
Corporate/Agency Author:
Patent Office
Publication month:
13
Publication year:
1944
SuDoc number:
C 21.10:P 428/3
Description:
cover title, 12 p. 4°
Notes:
‡ Official Use. Not Available.
Availability:
‡ Official Use. Not Available.
Monthly Catalog date:
May 1944
Monthly Catalog issue number:
592
Monthly Catalog page number:
1
Monthly Catalog issue date:
1944-05-01T00:00:00Z
Record start page number:
493

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