EG

Edward Grenke

📍 Sherwood Park, CA: #170 of 486 inventorsTop 35%
Overall (All Time): #2,244,156 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6152231 Wellhead drive brake system — 2000-11-28
5628516 Sealing assembly for rotary oil pumps having means for leaks detection and method of using same — 1997-05-13