Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9967955 | Power over ethernet lighting system with emergency mode | Michael Jay Siefer, Jonathan D. Ford, Arthur Alvin Harper, III | 2018-05-08 |
| 4860505 | Construction block | — | 1989-08-29 |