GH

George Helmecke

OP Optivision: 1 patents #4 of 5Top 80%
Overall (All Time): #3,608,840 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6034826 Optical instrument for observing surface engravings on optical lenses — 2000-03-07