RH

Robert L. Hess

PS Progressive Angioplasty Systems: 1 patents #1 of 1Top 100%
RA Ruhrgas Aktiengesellschaft: 1 patents #1 of 6Top 20%
📍 North Versailles, PA: #2 of 7 inventorsTop 30%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #17,172 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4859171 Method and apparatus of operating pre-mixed burners Detlef Altemark 1989-08-22
4808164 Catheter for balloon angioplasty — 1989-02-28