William Seymour
LONG ISLAND CITY, New YorkEngineering (Unspec.)
Elevator and escalator accident investigation
Elevator and escalator accident reconstruction
Automatic sliding and swing door accident investigation
Elevator door safety
Design and development of elevator replacement components
Design and development of elevator cab components, remodeling and lighting systems
Design and development of elevator emergency communication systems
Design and development of elevator door safety systems
Design and development of elevator doors and entrances
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Design and development of elevator door drive equipment
Design and development of elevator passenger interface systems
Automatic door activation and safety sensors and related systems
Elevator controller interface products
Elevator machine guarding
Elevator code research
Automatic and low E door code research
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