Richard Calcasola

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Longmeadow, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ropeless governor mechanism for an elevator car
- Patent number 6,161,653
- Issue date Dec 19, 2000
- Otis Elevator Company
- Clement Alexander Skalski
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Linear motor transfer of cab horizontally between elevator and boge...
- Patent number 5,799,755
- Issue date Sep 1, 1998
- Otis Elevator Company
- Samuel C. Wan
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Passenger entertainment system transducer failure detector
- Patent number 4,374,435
- Issue date Feb 15, 1983
- United Technologies Corporation
- Richard F. Lach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE