DH

Donald T. Hayford

GI Gas Research Institute: 1 patents #13 of 66Top 20%
📍 Columbus, OH: #41 of 180 inventorsTop 25%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #119,572 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4843884 Method and system for ultrasonic detection of flaws in test objects Larry J. House, James F. Mank, Thomas A. Pettenski, William J. Williams 1989-07-04