GW

Gerard G. Warmerdam

📍 Lodi, CA: #29 of 174 inventorsTop 20%
🗺 California: #124,610 of 386,348 inventorsTop 35%
Overall (All Time): #1,259,349 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7073535 Inflatable pipe plug 2006-07-11
6481465 Compressed-ring pneumatic pipe plug 2002-11-19
6361015 Variable flow-through control plug 2002-03-26
5066208 Pipe joint testing and grouting unit 1991-11-19