RS

Ryan C. Shirk

3M: 2 patents #129 of 1,069Top 15%
📍 Mendota Heights, MN: #4 of 18 inventorsTop 25%
🗺 Minnesota: #307 of 3,156 inventorsTop 10%
Overall (1997): #25,118 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5702494 Airbag filter assembly and method of assembly thereof Thomas L. Tompkins, Steven C. Schroeer, Richard P. Merry, Troy K. Ista, Richard L. Bloom 1997-12-30
5656048 Electrically regenerable diesel particulate filter cartridge and filter Mark Smith 1997-08-12