Inventor
ROTH BRYAN J
US6 patents
Patents
6 patentsUS10604056B2Mar 31, 2020
Ramp door patio deck system
LIPPERT COMPONENTS INC11 citations82
US10279724B2May 7, 2019
Ramp door patio deck system
LIPPERT COMPONENTS INC10 citations80
US10730372B2Aug 4, 2020
Ramp door with self-deploying rail
LIPPERT COMPONENTS INC15 citations78
US10800311B2Oct 13, 2020
Ramp door operating mechanism
LIPPERT COMPONENTS INC2 citations71
US9751390B2Sep 5, 2017
Bus door seal
LIPPERT COMPONENTS INC3 citations69
US12552322B2Feb 17, 2026
Entry steps with center stringer
LIPPERT COMPONENTS INC0 citations51