BD

Bob M. Duff

SI Southwest Research Institute: 2 patents #288 of 935Top 35%
NC Nippon Colin Company: 1 patents #16 of 42Top 40%
📍 San Antonio, TX: #1,537 of 5,017 inventorsTop 35%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,666,994 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4905706 Method an apparatus for detection of heart disease Cynthia S. Gibson, Dean C. Winter, H. Herbert Peel 1990-03-06
4835474 Method and apparatus for detecting subsurface anomalies Jorge O. Parra, Thomas E. Owen 1989-05-30
4689569 Directional antenna system for use in a borehole incorporating antenna dipole elements 1987-08-25