Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D552765 | Three dimensional plated deck | Robert L. Ault, David F. Landis, David Mills | 2007-10-09 |
| 7146920 | Three dimensional plated deck | David F. Landis | 2006-12-12 |
| D511580 | Decking | Robert Paul | 2005-11-15 |
| D507665 | Decking | Robert Paul | 2005-07-19 |
| 6357191 | Composite deck | Robert L. Ault, David F. Landis | 2002-03-19 |
| 5996568 | Process for propelling foodstuffs or the like into a crowd | — | 1999-12-07 |
| 4781001 | Continuous preset access housing | — | 1988-11-01 |
| 4697399 | Universal deck | — | 1987-10-06 |
| 4682456 | Cellular flooring system and method of using same | Thomas W. Hartman | 1987-07-28 |
| 4593506 | Cellular flooring system and method of using same | Thomas W. Hartman | 1986-06-10 |
| 4584803 | High strength cellular metal floor raceway system | — | 1986-04-29 |
| 4527372 | High performance composite floor structure | — | 1985-07-09 |
| 4453349 | Floor and roof deck | — | 1984-06-12 |
| D273997 | Floor deck | — | 1984-05-22 |