Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4793441 | Elevator car system with three guide rails | Stuart B. Spence | 1988-12-27 |
| 4459754 | Method and apparatus for measuring interior sheave groove dimensions | Kentaro Yasuda, Albert J. Saxer | 1984-07-17 |
| 4324360 | Elevator guide rail mounting arrangement | Lu Sun | 1982-04-13 |
| 4287651 | Method for fabricating and installing thermoset sheave inserts | Joseph G. Kirincich | 1981-09-08 |
| 4198196 | Apparatus for splicing ends of a grooved sheave insert member | Joseph G. Kirincich | 1980-04-15 |