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Mary J. Burkholder

PI Ppg Industries: 5 patents #222 of 1,216Top 20%
📍 Pine Township, PA: #21 of 133 inventorsTop 20%
🗺 Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #1,063,253 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4855164 Stable multiphase coating compositions Barbara G. Piccirilli, Carl C. Anderson, Rodger G. Temple 1989-08-08
4755581 Thermosetting high solids coating composition of epoxies, polyols and anhydrides William P. Blackburn, Ronald R. Ambrose, Samuel Porter, Jr. 1988-07-05
4755582 Thermosetting high solids coating composition of hydroxy-functional epoxies and anhydrides William P. Blackburn, Ronald R. Ambrose, Samuel Porter, Jr. 1988-07-05
4732790 Color plus clear application of thermosetting high solids coating composition of hydroxy-functional epoxies and anhydrides William P. Blackburn, Ronald R. Ambrose, Samuel Porter, Jr. 1988-03-22
4732791 Color plus clear application of thermosetting high solids coating composition of epoxies, polyols and anhydrides William P. Blackburn, Ronald R. Ambrose, Samuel Porter, Jr. 1988-03-22