Inventor

GREGG WILLARD W

US3 patents

Patents

3 patents

US4462628AJul 31, 1984

Guide for collapsible drag reducer

GEN MOTORS CORP66 citations91

US4458937AJul 10, 1984

Drag reducer for tractor trailer

GEN MOTORS CORP48 citations89

US4509786AApr 9, 1985

Support for collapsible drag reducer

GEN MOTORS CORP30 citations88