Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6520310 | Combplate load and obstruction sensor apparatus | Richard Lauch | 2003-02-18 |
| 6349813 | Escalator roller degradation monitor device | Kirk Von Offerman, Robert T. North, Michael Kao, Roger Frazier, William G. Bonitz | 2002-02-26 |
| 6283270 | Escalator step with removable demarcation inserts | Vincent Robibero, Terry Holmes | 2001-09-04 |
| 4867460 | Hydraulic jack seal assembly | Steven Colo, Sanjivkumar K. Patel | 1989-09-19 |