Inventor
HOCKERT ERIC N
US4 patents
Patents
4 patentsUS4608052AAug 26, 1986
Implant with attachment surface
MINNESOTA MINING & MFG239 citations97
US4691993ASep 8, 1987
Transparent sheets containing directional images and method for forming the same
MINNESOTA MINING & MFG118 citations95
US4634220AJan 6, 1987
Directionally imaged sheeting
MINNESOTA MINING & MFG130 citations95
US4688894AAug 25, 1987
Transparent retroreflective sheets containing directional images and method for forming the same
MINNESOTA MINING & MFG117 citations94