Inventor
DEGRACE GARROLD A
US4 patents
Patents
4 patentsUS11305340B1Apr 19, 2022
Modular mold design for casting a vehicle frame and components
GM GLOBAL TECH OPERATIONS LLC0 citations53
US10247129B2Apr 2, 2019
Cylinder liner for internal combustion engine
GM GLOBAL TECH OPERATIONS LLC1 citations53
US11253985B2Feb 22, 2022
Cup plug insertion tool
GM GLOBAL TECH OPERATIONS LLC1 citations52
US12344907B2Jul 1, 2025
Laser hardening of cylinder bore
GM GLOBAL TECH OPERATIONS LLC0 citations38