Inventor

SPIRGI ERICH

CH2 patents

Patents

2 patents

US9061864B2Jun 23, 2015

Method for operating elevators to test brakes

SPIRGI ERICH20 citations84

US8668055B2Mar 11, 2014

Method for releasing a load-carrying apparatus or a compensating weight of an elevator from a stopping position

SPIRGI ERICH5 citations63