WG

William W. Grenfell

SS Safety Syringes: 1 patents #1 of 5Top 20%
📍 Columbia, MO: #6 of 35 inventorsTop 20%
🗺 Missouri: #387 of 1,485 inventorsTop 30%
Overall (2002): #91,894 of 266,432Top 35%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6416323 Aspirating dental syringe with needle shield Ronald R. Klawitter 2002-07-09