Patents per Year
Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6095289 | Apparatus and method of thermally detecting elevator machine brake | August J. Dobler | 2000-08-01 | $63,821,000 |
| 5299661 | Mechanical overspeed safety device | Mukunda B. Pramanik, Rajendra Mistry | 1994-04-05 | $4,354,000 |
| 5101930 | Hydraulic elevator muffler | Richard N. Fargo, Louis Bialy, Henry Ryder | 1992-04-07 | $5,031,000 |
| 5076146 | Method and apparatus for protecting a cylinder of an hydraulic elevator | Louis Bialy, Berry M. Grant, John T. Pitts | 1991-12-31 | $4,502,000 |