Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5297013 | Outdoor light fixture | Donald L. Rohrs, Jung-Chung Hung | 1994-03-22 |
| 5280417 | Low voltage light fixture | Donald L. Rohrs, Kung C. Hung | 1994-01-18 |
| D340305 | Outdoor light fixture | Donald L. Rohrs, Kung C. Hung | 1993-10-12 |
| D333189 | Outdoor light fixture | Donald L. Rohrs, Kung C. Hung | 1993-02-09 |
| D330777 | Outdoor light fixture | Donald L. Rohrs, Kung C. Hung | 1992-11-03 |
| D330778 | Outdoor light fixture | Donald L. Rohrs, Kung C. Hung | 1992-11-03 |
| D329100 | Outdoor light | Donald L. Rohrs, Kung C. Hung | 1992-09-01 |
| D329099 | Outdoor light | Donald L. Rohrs, Kung C. Hung | 1992-09-01 |
| D318135 | Solar powered outdoor light | Donald L. Rohrs, Kung C. Hung | 1991-07-09 |
| D315219 | Flashlight | J. Baxter Brinkmann, Donald Keller | 1991-03-05 |