HS

H. Bruce Stephens

SS Seismograph Service: 1 patents #2 of 7Top 30%
📍 Tulsa, OK: #1,272 of 2,344 inventorsTop 55%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,878,017 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5022052 Analog signal binary transmission system using slope detection 1991-06-04