Inventor

DERWINSKI PATRICIA A

US3 patents

Patents

3 patents

US6367581B1Apr 9, 2002

Sound absorbing light fixture

OTIS ELEVATOR CO48 citations89

US7670240B2Mar 2, 2010

Elevator belt assembly with noise reducing groove arrangement

OTIS ELEVATOR CO12 citations80

US7810611B2Oct 12, 2010

Elevator car assembly having an adjustable platform

OTIS ELEVATOR CO4 citations53