Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5797258 | Method of manufacturing hollow diamond cut chain with multi-faceted surface | Kalman Strobel | 1998-08-25 |
| 5408820 | Process for making hollow diamond cut rope chain | Kalman Strobel | 1995-04-25 |
| 5353584 | Hollow diamond cut rope chain with multi-faceted surfaces | Kalman Strobel | 1994-10-11 |