Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8627923 | Tank lifeline system | Sam Linhoff | 2014-01-14 |
| 8584798 | Safety apparatus for arresting a fall of a worker | Richard B. Stoffels | 2013-11-19 |
| 8366079 | Safety rail system | Richard B. Stoffels | 2013-02-05 |
| 7739834 | Cantilever gate | Richard B. Stoffels | 2010-06-22 |