Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5309874 | Powertrain component with adherent amorphous or nanocrystalline ceramic coating system | Arup Kumar Gangopadhyay, Michael Alan Tamor, William C. Vassell, Margherita Zanini-Fisher | 1994-05-10 |
| 5249554 | Powertrain component with adherent film having a graded composition | Michael Alan Tamor, William C. Vassell, Arup Kumar Gangopadhyay | 1993-10-05 |
| 5237967 | Powertrain component with amorphous hydrogenated carbon film | Arup Kumar Gangopadhyay, Michael Alan Tamor, William C. Vassell | 1993-08-24 |
| 4896635 | Friction reducing rocker arm construction | John Matthew Pieprzak | 1990-01-30 |
| 4867113 | Reduced friction engine tappet construction | John Matthew Pieprzak | 1989-09-19 |
| 4196182 | Molding articles which can be converted to porous carbon bodies | Robert A. Pett | 1980-04-01 |