RL

Robert W. Ludwig

EC Excello Co.: 1 patents #92 of 216Top 45%
Overall (All Time): #4,006,500 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4628643 Grinding wheel infeed control method Richard H. Gile, Steven P. Farrar, Steven Farmer, Eben C. Waterman 1986-12-16