Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12088086 | Open neutral detector | Donald Paul Oldham, Jr. | 2024-09-10 |
| 11769999 | Open neutral detector | Donald Paul Oldham, Jr. | 2023-09-26 |
| 11545825 | Open neutral detector | Donald Paul Oldham, Jr. | 2023-01-03 |
| D967037 | Surge protector apparatus | Donald Paul Oldham, Jr., Peter A. Czerner | 2022-10-18 |
| 11322929 | Open neutral detector | Donald Paul Oldham, Jr. | 2022-05-03 |
| 10868417 | Open neutral detector | Donald Paul Oldham, Jr. | 2020-12-15 |
| 9564719 | Elevated temperature detection and interrupter circuit for power cable | Donald Paul Oldham, Jr., Jon B Freeman | 2017-02-07 |
| 8641443 | Electrical power connector with handle | Encarnacion Rivera, Peter A. Czerner | 2014-02-04 |