TR

Timothy J. Roth

Air Products And Chemicals: 2 patents #13 of 151Top 9%
📍 Oklahoma City, OK: #7 of 70 inventorsTop 10%
🗺 Oklahoma: #44 of 631 inventorsTop 7%
Overall (1997): #21,639 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5658972 Fire retardant plastic construction material Kenneth F. Grzybowski, David Reese Jones, IV, William Russell Welliver 1997-08-19
5639298 Modified gypsum compositions F. MacGregor Miller, William Russell Welliver, John Robert Brown 1997-06-17