Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997049 | Wind tunnel and collector configuration therefor | — | 2006-02-14 |
| 6748800 | Wind tunnel and collector configuration therefor | — | 2004-06-15 |
| 5774914 | Maternity bed | Ned Johnson, John S. Luecke | 1998-07-07 |
| 5606110 | Diaphragm construction for free piston shock tube/tunnel | — | 1997-02-25 |
| 5505081 | Valve assembly for free piston shock tube/tunnel | Bruce C. Lindahl | 1996-04-09 |
| 5245868 | Piston stop for free piston shock tube/tunnel | George J. Streithorst, Hallock F. Swift | 1993-09-21 |
| 5115665 | Free piston shock tube tunnel | — | 1992-05-26 |