Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5778544 | Combined right-hand/left-hand horizontal headlamp indicator device | — | 1998-07-14 |
| 5586393 | Headlamp level indicator | Leo B. Jansen | 1996-12-24 |
| 5381317 | Snap-fit right angle adjustor mechanism | Karl R. Schmitt | 1995-01-10 |
| 5365415 | Snap-fit right angle adjustor mechanism | Karl R. Schmitt | 1994-11-15 |
| 5183171 | Closure with dispensing fitment and screw-on cap | — | 1993-02-02 |
| 5052572 | Tamper-evident closure with improved tear strip hold-down | — | 1991-10-01 |
| 5036889 | Tube with flip-top cap | — | 1991-08-06 |
| 4898292 | Container closure with hinged flap | Gordon E. VerWeyst, Charles E. Burk | 1990-02-06 |
| 4634019 | Container with plastic hinge | — | 1987-01-06 |