RB

Ronald Borgardt

OG Optima Compass Group: 1 patents #8 of 13Top 65%
Overall (All Time): #879,814 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6526697 Swing door pivot protector 2003-03-04
6089360 Locking assembly for automatic doors 2000-07-18
5881497 Automatic door opener adaptable for manual doors 1999-03-16
5486026 Double-acting positive latch system for sliding doors 1996-01-23
5392834 Breakaway bi-folding door assembly 1995-02-28
5242005 Breakaway bi-folding door assembly 1993-09-07