Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5836713 | Coupling mechanism for establishing an involute spline connection | Paul N. Dahlstrand | 1998-11-17 |
| 5509315 | Absorption dynamometer torque measuring device and calibration method | Paul N. Dahlstrand | 1996-04-23 |
| 5426986 | Absorption dynamometer torque measuring device and calibration method | Paul N. Dahlstrand | 1995-06-27 |
| 5345827 | Absorption dynamometer and torque measurement therefor | Paul N. Dahlstrand | 1994-09-13 |
| 5189844 | Fluid driven tool control device | Michael C. Swarden | 1993-03-02 |
| 4986479 | Fluid jet shredder apparatus and method of use | Michael C. Swarden, Henry B. Faulkner, James E. Stoudt | 1991-01-22 |
| 4744724 | Absorption dynamometer | Pat A. Capone, Anthony F. Carter, Arnold M. Heitmann, Willem Jansen, Robert M. Sexton +1 more | 1988-05-17 |
| 4718702 | Expansible coupling | Calvin Rushforth | 1988-01-12 |
| 4717075 | Particulate dispersion apparatus | Anthony F. Carter, Calvin Rushforth, Arnold M. Heitmann | 1988-01-05 |
| 4697520 | Fog oil smoke generator | Arnold M. Heitmann | 1987-10-06 |