Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138648 | Tower and method for assembling tower | Bryant A. Zavitz, Kevin Kirkley | 2018-11-27 |
| 8584429 | Tower erection system and method | Bryant A. Zavitz | 2013-11-19 |
| 5035592 | Apparatus for concrete supply and form vibration | Francis V. Gay, II, Benjamin A. Gay | 1991-07-30 |
| 4884958 | Apparatus for setting up and pouring concrete forms | Francis V. Gay, II, Benjamin A. Gay | 1989-12-05 |
| 4724649 | Side weld plate for concrete slabs | — | 1988-02-16 |