DA

Donald R. Andruik

CS Crc-Evans Rehabilitation Systems: 1 patents #1 of 4Top 25%
GI Gas Research Institute: 1 patents #19 of 89Top 25%
📍 Houston, TX: #87 of 987 inventorsTop 9%
🗺 Texas: #496 of 5,527 inventorsTop 9%
Overall (1994): #35,331 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5361791 Cleaning of the exterior surface of a pipeline to remove coatings Gordon R. Chapman, Charles M. Reid, James B. Seale 1994-11-08
5330657 System and method for removing asbestos particles from a slurry Gordon R. Chapman, James V. Van Matre, Andre Stenzel, Robert Joseph Logan, Edwin D. McCrory +2 more 1994-07-19