Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D264374 | Portable heater | Robert F. Shaftner, Harry J. Giambrone | 1982-05-11 |
| 4313417 | Portable space heater | Robert F. Shaftner | 1982-02-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D264374 | Portable heater | Robert F. Shaftner, Harry J. Giambrone | 1982-05-11 |
| 4313417 | Portable space heater | Robert F. Shaftner | 1982-02-02 |