WA

Warren T. Acker

AC Acker Drill Co.: 1 patents #3 of 8Top 40%
Overall (All Time): #4,106,461 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4189015 Drill bits for obtaining core samples III Acker 1980-02-19