Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6202327 | Ice scraper having non-rotary tools with shielded cutting inserts | Gary A. Fuller, Roland Thomas Disinger | 2001-03-20 |
| 6196636 | Cutting bit insert configured in a polygonal pyramid shape and having a ring mounted in surrounding relationship with the insert | Ronald D. Mills, Lawrence H. McSweeney | 2001-03-06 |
| 6003617 | Insert for board | Lawrence H. McSweeney, Ronald D. Mills | 1999-12-21 |
| 4773490 | Roof drilling system | Lawrence H. McSweeney | 1988-09-27 |
| 4702328 | Roof drilling system | Lawrence H. McSweeney | 1987-10-27 |