OJ

Oliver G. Briggs, Jr.

DR D. B. Riley: 2 patents #1 of 4Top 25%
📍 Jefferson, MA: #1 of 3 inventorsTop 35%
🗺 Massachusetts: #422 of 4,501 inventorsTop 10%
Overall (1997): #28,387 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5685240 Variable orifice plate for coal pipes John Sund 1997-11-11
5593131 Variable orifice plate for coal pipes John Sund 1997-01-14