Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9309682 | Strong arm bolt-rebar hanger system for concrete footing forms | — | 2016-04-12 | |
| 8453392 | System for positioning and holding ceiling panels | — | 2013-06-04 | |
| 8079566 | Form tool to align parallel concrete forms | — | 2011-12-20 | |
| 4836757 | Pressure actuated movable head for a resonant reciprocating compressor balance chamber | Peter W. Curwen | 1989-06-06 | $325,000 |
| 4814650 | Flat plunger linear electrodynamic machine | Peter W. Curwen | 1989-03-21 | $362,000 |
| 4721440 | Linear gas compressor | — | 1988-01-26 | $409,000 |
| 4642882 | Method of making a laminated stator | Ralph M. Castiglione | 1987-02-17 | $350,000 |
| 4210831 | Involute lamination armature for a linear reciprocating motor | — | 1980-07-01 | $20,410,000 |
| 4206373 | Linear electric motor | — | 1980-06-03 | $15,792,000 |