File:Patent for a Hostital indicator US1921149.pdf
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current | 22:26, 2 March 2024 | ![]() | 1,158 × 1,702, 5 pages (561 KB) | Bayoustarwatch | Uploaded a work by Bornett L. Bobroff (15 Sep 1882 - 27 Dec 1945) from Patented Aug. 8, 1933 1,921,149 UNITED STATES PATENT OFFICE 1,921,149 HOSPITAL INDICATOR Bornett L. Bobroff, Milwaukee, Wis. Application June 15, 1928. Serial No. 285,695 8 Claims. (Cl. 177-329) https://patentimages.storage.googleapis.com/19/49/6e/a7c04c41e3d1a2/US1921149.pdf with UploadWizard |
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