Inventor
SHERARD JACK L
US4 patents
Patents
4 patentsUS6585211B1Jul 1, 2003
Wheel chocking device and method for using the same
KELLEY CO INC33 citations91
US6478525B2Nov 12, 2002
Wheel chocking device and method for using the same
KELLEY CO INC30 citations91
US6250432B1Jun 26, 2001
Wheel chocking device and method for using the same
KELLEY CO INC37 citations91
US6371714B1Apr 16, 2002
Vehicle restraint and method for modifying the same
KELLEY CO INC14 citations82