-
Ladder leveler apparatus
-
Patent number 9,322,215
-
Issue date Apr 26, 2016
-
Jershon, Inc.
-
Rodney Kurzer
-
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
-
Ladder leveler
-
Patent number 5,273,133
-
Issue date Dec 28, 1993
-
Jershon, Inc.
-
Quinton F. Thocher
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
-
74156843 - LEVEL-EZE
-
Serial number 74156843
-
Registration number 1673352
-
Filing date Apr 15, 1991
-
Jershon, Inc.
-
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments