Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5076125 | Rotary arc ram | John F. Riera, Billy J. Bielawski, Sr. | 1991-12-31 |
| D321698 | Base for rotary arc ram | John F. Riera, Billy J. Bielawski, Sr. | 1991-11-19 |
| 5016507 | Apparatus for severing a tubular workpiece | John F. Riera, Billy J. Bielawski, Sr. | 1991-05-21 |
| 4966061 | Tube cutting apparatus | John F. Riera, Billy J. Bielawski, Sr. | 1990-10-30 |
| 4653368 | Tube cutoff die set | John F. Riera, Billy J. Bielawski, Sr. | 1987-03-31 |
| 4354409 | Flying cutoff machine | John F. Riera, Billy J. Bielawski, Sr. | 1982-10-19 |