Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7507048 | Deformed reinforcing bar splice and method | Louis Colarusso | 2009-03-24 |
| 7118299 | Reinforcing bar connection and method | John J. Gregel, Colleen Kerkay, Wilhelmus G. Th. Maas, Louis Colarusso | 2006-10-10 |
| 6880224 | Deformed reinforcing bar splice and method | Louis Colarusso | 2005-04-19 |
| 5158404 | Taper thread cutting machine and method | Edward D. Ricker | 1992-10-27 |
| 4889324 | Exothermic welding apparatus and method | Denis A. Brosnan, James E. Whetsel, Richard E. Singer, Michael D. Amos, David P. Kovarik | 1989-12-26 |
| 4881677 | Exothermic welding apparatus including a baffle cover assembly | Michael D. Amos, Denis A. Brosnan, Richard E. Singer, James E. Whetsel, David P. Kovarik | 1989-11-21 |
| 4526496 | Tapered thread cutting machine | Anton M. Kies | 1985-07-02 |