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https://en.wikipedia.org/wiki/Patent_model
Patent model - Wikipedia
patent modelwikipedia
https://www.thehenryford.org/collections/explore/artifact/97453
Patent Model of Thomas Edison's Phonograph, 1880
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https://www.thehenryford.org/collections/explore/artifact/173430
Patent Model of Edison's Printing Telegraph, 1873
patent modeledisonprintingtelegraph
https://www.thehenryford.org/collections/explore/artifact/83836
Patent Model of Edmondson's Circular Calculating Machine, 1883
Mechanical calculators used gears, cogs, levers, and rotating drums to solve mathematical problems indirectly. While Edmondson's Circular Calculator was rugged...
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https://www.thehenryford.org/collections/explore/artifact/188497
Patent Model of Edison's Electro-Harmonic Multiplex Telegraph, 1876
patent modeledisonelectroharmonicmultiplex
https://www.thehenryford.org/collections/explore/artifact/7888
Patent Model of Railroad Signal Lantern, 1867
Flags and lanterns were the primary means of communication between conductors, brakemen, and engineers on American railroads. Different movements and colors...
railroad signal lanternpatent model
https://www.thehenryford.org/collections/explore/artifact/82569
Patent Model of Edison's Telephonic Telegraph, 1877
patent modeledisontelegraph
https://www.thehenryford.org/collections/explore/artifact/253123
Patent Model of Edison & Pope Printing Telegraph, 1870
Stock tickers are telegraphs that printed real-time financial information. Edison made several improvements to these devices; he was interested in finding a...
patent modeledisonpopeprintingtelegraph
https://www.thehenryford.org/collections/explore/artifact/208972
Patent Model of Edison's Telephonic Telegraph Improvement, 1877
patent modeledisontelegraphimprovement
https://www.thehenryford.org/collections/explore/artifact/285313
Patent Model of Edison's Magneto-Electric Machine, 1882
magneto electric machinepatent modeledison
https://www.wipo.int/wipolex/en/legislation/details/19472
Prakas on Management and Procedures for the Grant of Patent and Utility Model Certificate,...
Cambodia - Year of Version: 2019 - Issued: October 1, 2019 - Implementing Rules/Regulations - IP Regulatory Body