Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368672 | Process for making three-dimensional signage | Deborah M. Gunzelman, Wayne C. Hoffman | 1994-11-29 |
| 5240539 | Process for making three-dimensional signage | Deborah M. Gunzelman, Wayne C. Hoffman | 1993-08-31 |