Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5257762 | Neon tube support having molded spring and method of making the support | Mark A. Fredricks | 1993-11-02 |
| 5122052 | Mold for producing a neon tube support having a molded spring | Mark A. Fredricks | 1992-06-16 |
| 5045000 | Neon sign connector | Gary L. Reidenbach | 1991-09-03 |
| 5003717 | Changeable information scroll sign | Robert A. Karsten, Michael W. Hobach | 1991-04-02 |
| 4970816 | Roof sign | — | 1990-11-20 |
| 4827644 | Tambour-type sign | — | 1989-05-09 |
| 4783923 | Actuator for sliding panel signs | Harold M. Grinwald | 1988-11-15 |
| 4577428 | Display device with movable tape assemblies | — | 1986-03-25 |
| 4258490 | Price display board with tape pressing and locking means | — | 1981-03-31 |
| 4220948 | Non-electronic character display | — | 1980-09-02 |
| 4205036 | Method of making simulated three-dimensional stained glass objects | — | 1980-05-27 |