DW

David K. Waterman

RS Rohrback Cosasco Systems: 3 patents #1 of 5Top 20%
EI Erico International: 1 patents #8 of 16Top 50%
📍 Houston, TX: #19 of 1,005 inventorsTop 2%
🗺 Texas: #147 of 5,943 inventorsTop 3%
Overall (1997): #8,569 of 185,788Top 5%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5653477 High pressure access fitting and method 1997-08-05
5639975 Retrieval tool therefor, and methods 1997-06-17
5627749 Corrosion monitoring tool Steven Powell, Budd Sweetman, Walter J. Maciejewski 1997-05-06
5621181 Probe assembly system, insertion and retrieval tool therefor, and methods 1997-04-15