HH

Harold R. Havstad

HS Hudson Oxygen Therapy Sales: 6 patents #2 of 9Top 25%
📍 Eagle Point, OR: #7 of 36 inventorsTop 20%
🗺 Oregon: #5,706 of 28,073 inventorsTop 25%
Overall (All Time): #769,292 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4633856 Percussor subassembly for generating gas bursts 1987-01-06
4566441 Percussor subassembly for generating gas bursts 1986-01-28
4445503 Percussor assembly 1984-05-01
4416270 Percussor 1983-11-22
4398531 Percussor 1983-08-16
4237906 Antigen injection assembly Isadore Pitesky 1980-12-09
4232683 Therapeutic incentive spirometer Victor L. Bartholomew 1980-11-11