David P. Summers

AB American Biomed: 16 patents #1 of 7Top 15%

GI Gas Research Institute: 2 patents #168 of 808Top 25%

KS Koch Supplies: 1 patents #3 of 12Top 25%

📍 Conroe, TX: #30 of 788 inventorsTop 4%

🗺 Texas: #4,546 of 125,132 inventorsTop 4%

Overall (All Time): #146,115 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
4534541	Valve incorporating deformable valve body	—	1985-08-13
4531768	Pipe coupling	—	1985-07-30