Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5062520 | Self adjustable handrail drive with separate drive chains | Frank Sansevero, Gerald E. Johnson, James A. Rivera | 1991-11-05 |
| 5029690 | Decking trim fastening for curved escalator | James A. Rivera, Willy Adrian, Joerg Rabing | 1991-07-09 |
| 4984671 | Balustrade radius development for curved escalator | Frank Sansevero | 1991-01-15 |
| 4982829 | Flexible escalator handrail | Gerald E. Johnson | 1991-01-08 |
| 4895239 | Curved escalator with fixed center constant radius path of travel | Gerald E. Johnson, Frank Sansevero | 1990-01-23 |
| 4888057 | Inorganic intumescent fire protective coatings | Dwight E. Veinot, James R. Foster | 1989-12-19 |
| 4883160 | Curved escalator with fixed center constant radius path of travel | Frank Sansevero, Klaus Seehausen, James A. Rivera, Peter Borchers | 1989-11-28 |