Elwood K. Pierce, Jr.

📍 Coldspring, TX: #3 of 11 inventorsTop 30%

🗺 Texas: #40,946 of 125,132 inventorsTop 35%

Overall (All Time): #1,683,756 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4410186	Sealing system for pressurized flanged joints	—	1983-10-18
4295665	Well casing suspension system	—	1981-10-20
4230299	Pressure balanced gate valve having selective actuator systems	—	1980-10-28