Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4504173 | Apparatus for constructing cast in place tubular piles and method _of constructing such piles by same apparatus | — | 1985-03-12 |
| 4496011 | Tool for forming earth holes having fixed walls and method therefor | Boris M. Mazo | 1985-01-29 |
| 4484640 | Tool for formation of holes in macroporous compressible soils | Viktor B. Shvets, Boris M. Mazo | 1984-11-27 |
| 4458765 | Tool for forming a hole in macroporous compressible soil | Anatoly N. Mironenko, Sergei V. Shatov, Ninel S. Shvets, Jury A. Kirichek | 1984-07-10 |