RI

Robert Grant Irvine

📍 Greensboro, NC: #16 of 65 inventorsTop 25%
🗺 North Carolina: #217 of 1,241 inventorsTop 20%
Overall (1989): #62,834 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4823788 Demand oxygen controller and respiratory monitor Richard F. Smith 1989-04-25