Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8362747 | Method of powering a mobile device | — | 2013-01-29 |
| 6156139 | Automated sidewall fusing apparatus | Joseph G. Gho, Randall Jeff Kozak, Garry Anderson | 2000-12-05 |
| 6047757 | Angled sidewall fusing apparatus | Joseph G. Gho, Randall Jeff Kozak, Garry Anderson | 2000-04-11 |
| 5948189 | Automated sidewall fusing apparatus | Joseph G. Gho, Randall Jeff Kozak, Garry Anderson | 1999-09-07 |
| 5642912 | Pulling attachment for plastic pipe and slip lining head | — | 1997-07-01 |
| 5628585 | Method and apparatus for removal of utility line and replacement with polyolefin pipe | Cleve C. Reber | 1997-05-13 |
| 5592993 | Directional auger attachment | Cleve C. Reber | 1997-01-14 |
| 4422800 | Method of installing an underground conduit | — | 1983-12-27 |