RJ

Robert K. Johns

📍 Walnut, CA: #5 of 18 inventorsTop 30%
🗺 California: #1,105 of 6,198 inventorsTop 20%
Overall (1982): #34,500 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4314344 Method and apparatus for generating selected gas concentrations Donald W. Deist, Owen M. Houston 1982-02-02