Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10460544 | Lockout/tagout device with non-volatile memory and related system | Gregory S. Retzlaff, Thomas K. Campbell, Thaddeus C. Stankowski, Edward T. Cisek | 2019-10-29 |
| 10354812 | Circuit breaker lockout device | Andrew N. Enger | 2019-07-16 |
| 10228011 | Lockout device | — | 2019-03-12 |