JS

Junius L. Speights

DI Dresser Industries: 2 patents #157 of 787Top 20%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,340,522 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4638712 Bullet perforating apparatus, gun assembly and barrel Manmohan S. Chawla 1987-01-27
4280568 Sidewall sampling apparatus William A. McPhee 1981-07-28