Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597120 | Method and apparatus for mixing, spraying and placing cementitious materials | — | 1997-01-28 |
| 5494708 | Method and apparatus for mixing, spraying and placing cementitious materials | — | 1996-02-27 |
| 4992317 | Reinforced three dimensional composite parts of complex shape and method of making | Todd Drummond | 1991-02-12 |
| 4842787 | High speed process for production of oriented structural yarn/polymer matrix composite structural parts | Roger A. Engdahl, James A. Wedin | 1989-06-27 |