RG

Richard Grudzinski

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,297,603 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5358035 Control cartridge for controlling a safety valve in an operating well — 1994-10-25
4322724 Low voltage operated electric circuits — 1982-03-30