Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6173623 | Bi-directional, dual speed film transport gear drive apparatus | David A. Castor | 2001-01-16 |
| 6117805 | Ceramic guide rails for photographic film and paper and polymeric web perforation | Syamal K. Ghosh, Dilip K. Chatterjee | 2000-09-12 |
| 5908712 | Ceramic ware plate useful for materials processing equipment | Dilip K. Chatterjee, James J. Ross, Syamal K. Ghosh | 1999-06-01 |
| 5900328 | Materials transporting element | Dilip K. Chatterjee, James J. Ross, Syamal K. Ghosh | 1999-05-04 |
| 5885626 | Die retaining element | Dilip K. Chatterjee, James J. Ross, Syamal K. Ghosh | 1999-03-23 |
| 5738446 | Air lubricated hydrodynamic ceramic bearings | Syamal K. Ghosh, Dilip K. Chatterjee | 1998-04-14 |
| 5520601 | Ceramic rollers for conveyance of photographic films and paper polymeric webs | Syamal K. Ghosh, Dilip K. Chatterjee | 1996-05-28 |