Assignee
ASHLAND CREATIVE CARTONS
5 patents
Top patents by PatentIndex Score
US4357073ANov 2, 1982
Collapsible stereoscopic viewer and filmstrip holder therefor
ASHLAND CREATIVE CARTONS27 citations81
US4253732AMar 3, 1981
Collapsible stereoscopic viewer
ASHLAND CREATIVE CARTONS20 citations81
US4242818AJan 6, 1981
Collapsible photographic slide viewer
ASHLAND CREATIVE CARTONS9 citations73
US4175828ANov 27, 1979
Collapsible stereoscopic viewer
ASHLAND CREATIVE CARTONS10 citations73
US4235514ANov 25, 1980
Collapsible stereoscopic viewer and film strip therefor
ASHLAND CREATIVE CARTONS6 citations62