-
-
-
-
-
-
Elevator call recording device
-
Patent number 7,207,422
-
Issue date Apr 24, 2007
-
Mitsubishi Denki Kabushiki Kaisha
-
Nobukazu Takeuchi
-
B66 - HOISTING LIFTING HAULING
-
-
-
Lifting apparatus and method
-
Patent number 7,021,427
-
Issue date Apr 4, 2006
-
V. Guldmann A/S
-
Michael Skovgaard
-
B66 - HOISTING LIFTING HAULING
-
-
-
-
Elevator escape device
-
Patent number 6,739,431
-
Issue date May 25, 2004
-
Jiun Jyh Wang
-
B66 - HOISTING LIFTING HAULING
-
-
-
-
-
Elevator car operating panel
-
Patent number 6,105,729
-
Issue date Aug 22, 2000
-
Otis Elevator Company
-
Masanori Nakamori
-
B66 - HOISTING LIFTING HAULING
-
-
Barrier for lift platform
-
Patent number 5,040,936
-
Issue date Aug 20, 1991
-
Mobile-Tech Corporation
-
Michael A. Rhea
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
Elevator car
-
Patent number 4,678,062
-
Issue date Jul 7, 1987
-
Westinghouse Electric Corp.
-
Elmer H. Sumka
-
B66 - HOISTING LIFTING HAULING
-
Rotary wheelchair lift
-
Patent number 4,664,584
-
Issue date May 12, 1987
-
The Braun Corporation
-
Ralph W. Braun
-
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
-
-
3516559
-
Patent number 3,516,559
-
Issue date Jun 23, 1970
-
B60 - VEHICLES IN GENERAL
-
531091
-
Patent number 531,091
-
Issue date Dec 18, 1894
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
-
30462
-
Patent number 30,462
-
Issue date Oct 23, 1860
-
E03 - WATER SUPPLY SEWERAGE