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The name on the first telephone patent, which was granted on March 7, 1876, reads "A.G. Bell" -- Alexander Graham Bell. The reality of its invention is much Innovation, Intrigue, Subterfuge, and ...
about 9:30 am: Gray or his lawyer brings Gray's patent caveat for the telephone to the Washington, D.C. Patent Office (a caveat was a notice of intention to file a patent application. It was like a patent application , but without a request for examination, for the purpose of notifying the patent office of a possible invention in process).
The Intellectual Property Organisation of Pakistan (Urdu: دانشورانه املاک تنظیمِ پاکستان, abbreviated as IPOP) is an autonomous institution of the Government of Pakistan, concerned with copyright, trademarks, patents, and other general types of intellectual property regulation.
When the Bell telephone patents expired and many new telephone manufacturers began competing, acoustic telephone makers quickly went out of business. Their maximum range was very limited. [ 2 ] An example of one such company was the Pulsion Telephone Supply Company created by Lemuel Mellett in Massachusetts, which designed its version in 1888 ...
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Cooper is the lead inventor named on "radio telephone system" filed on October 17, 1973, with the U.S. Patent Office and later issued as U.S. Patent 3,906,166. [20] John Francis Mitchell , Motorola's Chief of Portable Communication Products (and Cooper's Manager and Mentor) and the engineers who worked for Cooper and Mitchell are also named on ...
The short film "Telephone Memories (Reel 2 of 2) (1931)" is available for free viewing and download at the Internet Archive. The short film "Far Speaking (ca. 1935)" is available for free viewing and download at the Internet Archive. "US 174,465". pdfpiw.uspto.gov. —Telegraphy (Bell's first telephone patent)—Alexander Graham Bell
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 December 2024. Technical and legal issues surrounding the development of the modern telephone For broader coverage of this topic, see History of the telephone. Replica of Antonio Meucci's telettrofono Reis's telephone The invention of the telephone was the culmination of work done by more than one ...