Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11633634 | Cut-resistant leading edge fall arrest system and method | Jeffrey Harding, Gregory M. Grupp | 2023-04-25 |
| 11191325 | Harness connection arrangement | — | 2021-12-07 |
| 10625105 | Harness connector | Robert Pitt | 2020-04-21 |
| 10413761 | Line retraction device having a damper assembly | — | 2019-09-17 |
| 10328294 | Load indicator for a fall protection apparatus | Mark Hall, Jeffrey Wu, David Bao, James Zhan, Jim Zhan | 2019-06-25 |
| 10207128 | Fall protection device and adjustment mechanism therefor | — | 2019-02-19 |
| 9199103 | Fall protection arrangement | David J. Losos | 2015-12-01 |
| 6142255 | Ladder, member for connecting a rail to a horizontal element of a ladder, and method | David E. Plotner, Edward E. Heald, Richard P. Sulecki, Frederick J. Bartnicki | 2000-11-07 |
| 5791439 | Ladder, member for connecting a rail to a horizontal element of a ladder, and method, and apparatus and method for holding a washer | David E. Plotner, Edward E. Heald, Kevin McIntire, Richard P. Sulecki, Frederick J. Bartnicki | 1998-08-11 |
| 5758745 | Extension ladder, combination end cap/guide bracket, and method for climbing | Robert D. Beggs, Christine A. Leipheimer, Marc A. Mabie | 1998-06-02 |
| 5636706 | Ladder, member for connecting a rail to a horizontal element of a ladder, and method | David E. Plotner, Edward E. Heald, Richard P. Sulecki, Frederick J. Bartnicki | 1997-06-10 |