| 9010499 |
Multi-car elevator hoistway separation assurance |
Richard C. McCarthy, Richard E. Peruggi, Randall Keith Roberts, Greg A. Schienda, Harold Terry |
2015-04-21 |
| 6578673 |
Concrete elevator rail and guidance system |
Frederick H. Barker, Richard E. Peruggi |
2003-06-17 |
| 5924524 |
Integrated, multi-level elevator shuttle |
Frederick H. Barker, Paul Bennett, Anthony Cooney, Richard C. McCarthy, Joseph Bittar +2 more |
1999-07-20 |
| 5823299 |
Shuttle elevators feeding local elevators |
Frederick H. Barker, Paul Bennett, Anthony Cooney, Richard C. McCarthy, Joseph Bittar +2 more |
1998-10-20 |
| 5749441 |
Extra deck elevator shuttle |
Joseph Bittar, Paul Bennett, Samuel C. Wan, Bruce A. Powell, Frederick H. Barker +2 more |
1998-05-12 |
| 5695024 |
Car operated safety gate for horizontally transferrable elevator cab |
Samuel C. Wan, Frederick H. Barker, Bruce A. Powell, Paul Bennett, Anthony Cooney +2 more |
1997-12-09 |
| 4338650 |
Fail-safe relay driving |
— |
1982-07-06 |