Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6286266 | Tree styled monopole tower | Nestor T. Popowych, Harold H. Sriver, III, Louis Ken-Hon Kao | 2001-09-11 | |
| 6112670 | Tie ejection apparatus for use with a railroad crosstie distribution vehicle | Robert S. Miller, Craig A. Sandsted, David L. Hancock, Anthony P. Delucia | 2000-09-05 | |
| 6026627 | Antenna support for power transmission tower | — | 2000-02-22 | |
| 5855103 | Antenna support for power transmission tower | — | 1999-01-05 | |
| 5787649 | Tree styled monopole tower | Nestor T. Popowych, Harold H. Sriver, III, Louis Ken-Hon Kao | 1998-08-04 | |
| 5649402 | Antenna support for power transmission tower | — | 1997-07-22 | |
| 5584248 | Split tool mechanical vibrator | Craig A. Sandsted, Anthony P. Delucia, Marion D. Smith | 1996-12-17 | $4,614,000 |
| 4899664 | Split workhead | Calvin L. Coy | 1990-02-13 | |
| 4565133 | Clamp arrangement for track lifting and aligning device | — | 1986-01-21 |