William J. Darm

US United Air Specialists: 3 patents #5 of 25Top 20%

📍 Tigard, OR: #247 of 696 inventorsTop 40%

🗺 Oregon: #10,188 of 28,073 inventorsTop 40%

Overall (All Time): #1,682,453 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4484396	Oxygen reduction system and condenser apparatus with automatic defrost	—	1984-11-27
4484451	Two-stage gas condenser with feedback cooling	—	1984-11-27
4365480	Process gas treating apparatus	—	1982-12-28