Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240249 | Instantaneous calendar device for timepieces | Daniel D. Malkin, Gennady A. Kruglov, Boris A. Peredkov | 1980-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240249 | Instantaneous calendar device for timepieces | Daniel D. Malkin, Gennady A. Kruglov, Boris A. Peredkov | 1980-12-23 |