John D. Barrett — 3 Patents at Otis Elevator

John D. Barrett has been granted 3 US patents while listed as an inventor at Otis Elevator. The first was granted in 1998 and the most recent in December 2002. John D. Barrett ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John D. Barrett in Brooklyn, NY, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6497937	Wood based composite decking panel	Frank C. Lam, Lars Peter Norlin, J M Robert Fouquet	2002-12-24
5792294	Method of replacing sheave liner	John Randazzo, Christopher J. Elliott, David Wayne Mckee, Hugh J. O'Donnell, John P. Wesson +1 more	1998-08-11	$10,748,000
5784752	Rope cleaning device	Christopher J. Elliott	1998-07-28	$9,410,000

John D. Barrett — 3 Patents

Issued Patents All Time

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