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Original file (1,158 × 1,702 pixels, file size: 889 KB, MIME type: application/pdf, 7 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Size of this JPG preview of this PDF file: ... United States patent #1,394,450. ... File history. Click on a date/time to view the file as it appeared at that time. ...
LLP, Ladas & Parry. "A Brief History of the Patent Law of the United States". New York, 1999. Web Page. . Muir, Ian, Matthias Brandi-Dohrn, and Stephan Gruber. European Patent Law : Law and Procedure under the Epc and Pct. Oxford; New York: Oxford University Press, 1999. Robert B. Matchette et al. "Records of the Patent and Trademark Office".
File:US Patent 1240890.pdf. ... File history. Click on a date/time to view the file as it appeared at that time. ... Version of PDF format: 1.4: Page size: 612 x 792 ...
Date/Time Thumbnail Dimensions User Comment; current: 21:38, 2 March 2024: 1,158 × 1,702, 10 pages (1.42 MB): Bayoustarwatch: Uploaded a work by Bornett L. Bobroff (15 Sep 1882 - 27 Dec 1945) from Patented Oct. 6, 1931 1,826,501 UNITED STATES PATENT OFFICE BORNETT L. BOBROFF, OF MILWAUKEE, WISCONSIN SIGNALING SYSTEM Application filed July 11, 1927.
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File history; File usage; Metadata; Size of this JPG preview of this PDF file: 408 × 600 pixels. Other resolutions: ... UNITED STATES PATENT OFFICE.