Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1083831 | Step unit with fall arrest capability for climbing a utility pole | — | 2025-07-15 |
| D1084407 | Step unit with fall arrest capability for climbing a utility pole | — | 2025-07-15 |
| 12149056 | Joint-use bracket for installing communication lines on utility pole | Raymond Tai | 2024-11-19 |
| 11569648 | Joint-use bracket for installing communication lines on utility pole | Raymond Tai | 2023-01-31 |
| D945875 | Torque limiting nut | Raymond Tai | 2022-03-15 |
| 10954717 | Step assembly | Raymond Tai | 2021-03-23 |
| D844179 | Step unit | — | 2019-03-26 |
| 10112078 | Step assembly with fall arrest capability including removable step | Raymond Tai | 2018-10-30 |
| D828931 | Step unit with fall arrest capability having a built-in support plate | — | 2018-09-18 |
| D828932 | Step unit with fall arrest capability | — | 2018-09-18 |
| D805658 | Step unit with fall arrest capability | — | 2017-12-19 |