Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429953 | Curved glass reflector and method of making same | Theodore F. Zehnpfennig | 1984-02-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429953 | Curved glass reflector and method of making same | Theodore F. Zehnpfennig | 1984-02-07 |