Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549262 | Heavy cycle grating system | Aristotelis Zournas, Michael D. Russo | 2023-01-10 |
| 8205409 | Grating system with enhanced see-through characteristics | David W. Bartley | 2012-06-26 |
| 8122674 | Grating system forvehicular and pedestrian traffic | John C. Bartley | 2012-02-28 |
| 8112962 | Grating system with enhanced see-through characteristics | David W. Bartley | 2012-02-14 |
| 8011157 | Grating system with enhanced see-through characteristics | David W. Bartley | 2011-09-06 |
| 7918067 | Grating system with enhanced see-through characteristics | David W. Bartley | 2011-04-05 |
| 7832172 | Grating system with enhanced see-through characteristics | David W. Bartley | 2010-11-16 |
| 7393153 | Grating system | Darryle D. Woodson, Joseph S. Mullane, Thomas J. Snyder, John C. Bartley | 2008-07-01 |
| 7121759 | Grating system | Darryle D. Woodson, Joseph S. Mullane, Thomas J. Snyder, John C. Bartley | 2006-10-17 |
| 4969616 | Low profile side opening straight line dead end cable clamp | William N. Parrott, Jerald C. Todd | 1990-11-13 |
| 4719672 | Clamp body for cable conductor | James D. Glass | 1988-01-19 |
| 4667502 | Hydraulic compression apparatus | Austin L. Bush, Jerald C. Todd | 1987-05-26 |
| 4581894 | Hydraulic compression apparatus | Austin L. Bush, Jerald C. Todd | 1986-04-15 |
| 4480460 | Compression tool | Austin L. Bush, Jerald C. Todd | 1984-11-06 |
| 4449010 | Insulator guard | Cecil Morgan | 1984-05-15 |
| 4428100 | Flip top automatic deadend | — | 1984-01-31 |