RP

Richard Pirrami

AC Acker Drill Co.: 1 patents #3 of 8Top 40%
📍 Jessup, PA: #7 of 13 inventorsTop 55%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,931,621 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4844184 Lock device for hollow stem augers William L. Acker, III, Leroy W. Janson 1989-07-04