RB

Richard L. Bertram

📍 West Hollywood, CA: #199 of 1,485 inventorsTop 15%
🗺 California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #877,782 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6967045 Integrated composite structural conduit formed in place 2005-11-22
6673193 System and method for welding a seam between thermoplastic liner sheets 2004-01-06
6494978 Deteriorated structure repair method for restoring and lining corroded structure 2002-12-17
5389692 Structural strength coating and material 1995-02-14
5268392 Deteriorated structure repair method and substratum for restoring and lining corroded structure 1993-12-07
4792493 Corrosion resistant coating and liner combination Vernie L. Belcher 1988-12-20