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Original file ‎(1,158 × 1,702 pixels, file size: 1.13 MB, MIME type: application/pdf, 9 pages)

Summary

Description
English: Patented June 3, 1930 1,761,867

UNITED STATES PATENT OFFICE BORNETT L. BOBROFF, OF MILWAUKEE, WISCONSIN PUSH BUTTON

Application filed April 4, 1928. Serial No. 267,454.
Date
Source

Patented June 3, 1930 1,761,867 UNITED STATES PATENT OFFICE BORNETT L. BOBROFF, OF MILWAUKEE, WISCONSIN PUSH BUTTON Application filed April 4, 1928. Serial No. 267,454.

https://patentimages.storage.googleapis.com/2d/a4/5c/2eeb69e3f80565/US1761867.pdf
Author Bornett L. Bobroff (15 Sep 1882 - 27 Dec 1945)

Licensing

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Captions

Patented June 3, 1930 1,761,867 UNITED STATES PATENT OFFICE BORNETT L. BOBROFF, OF MILWAUKEE, WISCONSIN PUSH BUTTON Application filed April 4, 1928. Serial No. 267,454.

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3 June 1930

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