JB

John D. Barrett

OE Otis Elevator: 2 patents #650 of 1,840Top 40%
UC University Of British Columbia: 1 patents #582 of 1,308Top 45%
Overall (All Time): #1,619,525 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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
5784752 Rope cleaning device Christopher J. Elliott 1998-07-28