HE

Hans E. Edlund

RE Reedrill: 2 patents #1 of 11Top 10%
Overall (All Time): #2,285,345 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5465798 Drill automation control system Marvin L. Haines 1995-11-14
5398772 Impact hammer — 1995-03-21