Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811797 | Impact wrench | Mikhail Gelfand, Boris G. Goldshtein, Gennady A. Korniliev, Nikolai S. Lavnikov, Yakov I. Tsipenjuk +1 more | 1989-03-14 |
| 4350213 | Impact wrench | Mikhail Gelfand, Yakov I. Tsipenjuk, Boris G. Goldshtein, Nikolai S. Lavnikov, Leonid N. Teres +6 more | 1982-09-21 |
| 4243108 | Pneumatic inpact wrench having rotatable and axially translatable components | Anas G. Galimov, Mikhail Gelfand, Boris G. Goldshtein, Viktor E. Kilin, Oleg Y. Sutyagin +2 more | 1981-01-06 |
| 4232750 | Impact wrench with a rotary tool drive | Mikhail Gelfand, Boris G. Goldshtein, Mikhail I. Rutgaizer, Nikolai K. Suut, Yakov I. Tsipenjuk +4 more | 1980-11-11 |
| 4191264 | Impact wrench | Mikhail Gelfand, Nikolai S. Lavnikov, Leonid N. Teres, Ivan I. Urazhdin, Yakov I. Tsipenjuk +1 more | 1980-03-04 |