Stephen E. Kerman — 2 Patents at Tie Communications

Stephen E. Kerman has been granted 2 US patents while listed as an inventor at Tie Communications. The first was granted in 1980 and the most recent in June 1985. Stephen E. Kerman ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Stephen E. Kerman in Merrick, NY, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4524244	Digital and voice telecommunication apparatus	Federico Faggin, Jerry A. Klein, Lauren F. Yazolino, Robert Korody, Eric Ha	1985-06-18
4185173	Key telephone call signalling circuit	Fumikazu Hamatani, Fumio Tsutsumi, Yuji Tanaka	1980-01-22	$687,000

Stephen E. Kerman — 2 Patents

Issued Patents All Time

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