Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12388246 | High-amperage track busway | Mark A. Swift, Joseph M. Minard, Kacie M. Long, David P. Marple, Andrew A. Sulik +3 more | 2025-08-12 |
| 12119633 | Tap off box | Frank Joseph Stifter, Jr., Douglas R. Moore, David P. Marple, John Donald Berenbrok, Edward James Schultz | 2024-10-15 |
| 12068593 | Systems and methods for dust and liquid protected continuous access busway trunking systems | Frank Joseph Stifter, Jr., Douglas R. Moore, David P. Marple, John Donald Berenbrok, Timothy R. Fox +1 more | 2024-08-20 |
| D1023976 | Coupler seal | Frank Joseph Stifter, Jr., David P. Marple, Mark Trebicki | 2024-04-23 |
| D988270 | Tap off box | Frank Joseph Stifter, Jr., Douglas R. Moore, David P. Marple, John Donald Berenbrok, Edward James Schultz +1 more | 2023-06-06 |
| D980803 | Endcap | Frank Joseph Stifter, Jr., David P. Marple, Mark Trebicki | 2023-03-14 |