Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666424 | Portable writing board structure | — | 2003-12-23 |
| 5924452 | Valve assembly | Edward S. Szpara, Sarah Corbin, Lewis E. Daniels, Jr. | 1999-07-20 |
| 5520661 | Fluid flow regulator | Birendra K. Lal, Yuan-pang Samuel Ding, Michael R. Prisco, Rebecca S. Black, Robert Passaglia | 1996-05-28 |
| 5489228 | Water sports board | Michael A. Zeh | 1996-02-06 |
| 5304130 | Container for the controlled administration of a beneficial agent | Kathryn M. Button, Steven C. Jepson, Birendra K. Lal, Douglas Reitz, Richard A. Rollins +2 more | 1994-04-19 |
| 4759713 | Disposable dental tool | Mark A. Heiss, Phillip A. Taylor | 1988-07-26 |
| 4445850 | Machine for heating elongated flat surfaces | Axel E. Hansen, Jr. | 1984-05-01 |