Inventor
GROTHE DANIEL
CA9 patents
Patents
9 patentsUS10793119B2Oct 6, 2020
Bidirectional wheel chock restraint system
9172 9863 QUEBEC INC14 citations83
US11479217B2Oct 25, 2022
Wheel chock and method
9172 9863 QUEBEC INC5 citations81
US10864895B2Dec 15, 2020
Wheel chock and method
9172 9863 QUEBEC INC12 citations80
US11535209B2Dec 27, 2022
Wheel chock with locking mechanism
9172 9863 QUEBEC INC3 citations68
US12275383B2Apr 15, 2025
Wheel chock and method
9172 9863 QUEBEC INC0 citations60
US11987223B2May 21, 2024
Wheel chock and method
9172 9863 QUEBEC INC0 citations60
US12005874B2Jun 11, 2024
Wheel chock with locking mechanism
9172 9863 QUEBEC INC0 citations58
US12420748B2Sep 23, 2025
Wheel chock handling unit and method
9172 9863 QUEBEC INC0 citations57
US12128865B2Oct 29, 2024
Wheel chock handling unit
9172 9863 QUEBEC INC0 citations57