JH

John Harkness

GL Glassline: 1 patents #5 of 6Top 85%
Overall (All Time): #2,178,369 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6869341 Single-sided finishing apparatus Mark H. Opfer, Brad Borkosky 2005-03-22
5691466 Liquid-sensing apparatus and method John M. Lawrence 1997-11-25