Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4378957 | Reduction gear of electronic wristwatch with stepping motor and sweep second hand | Daniel D. Malkin, Alexei V. Simbirtsev, Gennady A. Kruglov | 1983-04-05 |
| 4240249 | Instantaneous calendar device for timepieces | Daniel D. Malkin, Gennady A. Kruglov, Evgeny V. Kulikov | 1980-12-23 |