HS

Howard H. Cowan, Sr.

📍 Midland, TX: #145 of 491 inventorsTop 30%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,287,813 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5428954 System for suppressing engine exhaust noise — 1995-07-04
5138831 Air cooled rotary combustion engine — 1992-08-18