Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4379660 | Method of and apparatus for applying mat to the roof of a mine working | — | 1983-04-12 |
| 4369362 | Recorder control apparatus and method | — | 1983-01-18 |
| 4358159 | Apparatus for supporting the roof of an underground mine working | — | 1982-11-09 |
| 4251168 | Fastening means for roof mats for mine workings | — | 1981-02-17 |
| 4222069 | Method of and apparatus for preselecting operation of television or radio receiving and recording apparatus | — | 1980-09-09 |