Inventor
HEASLEY JAMES H
7 patents
Patents
7 patentsUS4182437AJan 8, 1980
Unstable devitrifiable glasses and friction materials containing them
FERRO CORP94 citations95
US4189209AFeb 19, 1980
Retroreflector of integrated light reflecting units of varying configurations
FERRO CORP45 citations91
US4073568AFeb 14, 1978
Retroreflector units with three mutually perpendicular surfaces defining a trihedral angle of a rectangular parallelepiped
FERRO CORP32 citations91
US4332437AJun 1, 1982
Retroreflective marking tape
FERRO CORP30 citations88
US3980393ASep 14, 1976
Retroreflective device
FERRO CORP22 citations81
US4080280AMar 21, 1978
Pin for forming reflector
FERRO CORP13 citations80
US4076383AFeb 28, 1978
Multi-sided retroreflector
FERRO CORP26 citations80