DP

David K. Platner

PH Perfection Holdings: 1 patents #1 of 4Top 25%
📍 Greenville, OH: #4 of 21 inventorsTop 20%
🗺 Ohio: #1,244 of 4,576 inventorsTop 30%
Overall (1997): #161,921 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5590914 Field assembled gas riser James Lorenz, Michael Brennan, Brent Carrick 1997-01-07