Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D524800 | Base radio power supply front cover | Richard H. Burzynski, James W. Turocy, Horng L. Wang, Robert B. Widmayer | 2006-07-11 |
| D524801 | Base radio front cover | Robert B. Widmayer, David T. Andersen, Richard H. Burzynski, David M. Frendreiss, James W. Turocy +2 more | 2006-07-11 |
| D521976 | Six-pack base radio front covers | Robert B. Widmayer, David T. Andersen, Richard H. Burzynski, David M. Frendreiss, James W. Turocy +2 more | 2006-05-30 |
| 5743422 | Collapsible bulk container and method of making the same | — | 1998-04-28 |
| 5328028 | Hazardous waste disposal method and drum assembly | Jean Sawyer, John A. Plunkett, Lou A. Marinaccio | 1994-07-12 |
| 5320243 | Reusable metal drum | — | 1994-06-14 |
| 5258086 | Reusable recycable fiber drum | — | 1993-11-02 |
| 5244108 | Collapsibile bulk container and method of making the same | — | 1993-09-14 |
| 5232117 | Reusable metal drum | — | 1993-08-03 |
| 5137206 | Reusable recyclicable fiber drum | — | 1992-08-11 |
| 5044502 | Nestable fiber drum with integral skid and a method of making the same | — | 1991-09-03 |
| 5018641 | End construction with hollow beam construction for a drum | Herbert L. Carpenter, Jr. | 1991-05-28 |
| 4951833 | End construction with hollow beam construction for a drum | Herbert L. Carpenter, Jr. | 1990-08-28 |
| 4909536 | Electronic height sensor | — | 1990-03-20 |
| 4852792 | Self locking cover/bottom for fibre drums | — | 1989-08-01 |