Patent for Telegraphy US1144290

Autor:

Bornett L. Bobroff (15 Sep 1882 - 27 Dec 1945)

Shortlink:

https://czwiki.cz/b/d5ca2

Zdroj:

Wikimedia Commons

Formát:

1158 x 1702 Pixel (534633 Bytes)

Popis:

UNITED STATES PATENT OFFICE.

BORNETT L. BOBROFF, OF MILWAUKEE, WISCONSIN, ASSIGNOR, BY DIRECT AND MESNE ASSIGNMENTS, TO UNIVERSAL INDICATOR COMPANY, OF MILWAUKEE, WISCONSIN, A CORPORATION OF WISCONSIN. TELEGRAPHY. 1,144,290. Specification of Letters Patent. Patented June 22, 1915.

Application filed February 9, 1914. Serial No. 817,541.

Licence:

Public domain

Credit:

UNITED STATES PATENT OFFICE. BORNETT L. BOBROFF, OF MILWAUKEE, WISCONSIN, ASSIGNOR, BY DIRECT AND MESNE ASSIGNMENTS, TO UNIVERSAL INDICATOR COMPANY, OF MILWAUKEE, WISCONSIN, A CORPORATION OF WISCONSIN. TELEGRAPHY. 1,144,290. Specification of Letters Patent. Patented June 22, 1915. Application filed February 9, 1914. Serial No. 817,541.

https://patentimages.storage.googleapis.com/75/d4/f9/fac819c5166eb6/US1144290.pdf

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