Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923251 | Apparatus for removing asbestos and like materials from a surface | Yasuharu Iida, Yasumitsu Moriki, Masahiro Sakurai | 1990-05-08 |
| 4684297 | Milling cutter for cutting the contaminated surface of concrete | Hajime Demura, Nobuyuki Nagamori | 1987-08-04 |