Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8186645 | Tilt-up concrete form brace | Scott Shaw, Ken Lee, Steve Wilbur, Clifford D. Bennett | 2012-05-29 |
| 6948291 | Plastic slab bolster upper | Ken Lee | 2005-09-27 |
| 6857235 | Protective cover for reinforcing bar | David A. Niday, Edward B. Sorauf, Keith E. Keller, Harry B. Lancelot, III, Thomas E. Lannom | 2005-02-22 |
| 6735918 | Plastic slab bolster upper | Kenneth Lee, Scott Shaw | 2004-05-18 |
| 6722097 | Plastic slab bolster upper | Ken Lee | 2004-04-20 |
| 6089522 | Method and apparatus for supporting reinforcement members | G. Douglas Hartzheim, Steve Wilbur, Marty Lancial | 2000-07-18 |
| D428501 | Chair | G. Douglas Hartzheim, Steve Wilbur, Marty Lancial | 2000-07-18 |
| D421709 | Tower chair | G. Douglas Hartzheim, Steve Wilbur, Marty Lancial | 2000-03-21 |