D. Stephen Collins

HL Howell Laboratories: 2 patents #3 of 10Top 30%

📍 Bridgton, ME: #4 of 19 inventorsTop 25%

🗺 Maine: #1,571 of 4,281 inventorsTop 40%

Overall (All Time): #2,253,384 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5961692	System and method of improving performance of a gas membrane dehydrator	—	1999-10-05
5605564	Membrane gas dehydrator	—	1997-02-25