John L. Delwiche

📍 Houston, TX: #3,811 of 21,073 inventorsTop 20%

🗺 Texas: #24,375 of 125,132 inventorsTop 20%

Overall (All Time): #894,710 of 4,157,543Top 25%

Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
4865070	Flow regulating device	—	1989-09-12
4748999	Flow regulating device	—	1988-06-07
4745942	Flow regulating device	—	1988-05-24
4723565	Flow regulating device	—	1988-02-09
4624278	Flow regulating device	—	1986-11-25
4458714	Flow regulating device	—	1984-07-10