Inventor
CONDER TERRENCE M
US5 patents
Patents
5 patentsUS4206969AJun 10, 1980
Directional front projection screen
MINNESOTA MINING & MFG62 citations95
US4105292AAug 8, 1978
Optical element to assure a minimum spacing
MINNESOTA MINING & MFG33 citations85
US3982822ASep 28, 1976
Composite Fresnel lens assembly
MINNESOTA MINING & MFG25 citations80
US4343855AAug 10, 1982
Transfer film
MINNESOTA MINING & MFG9 citations71
US4082879AApr 4, 1978
Stabilized transparent receptor sheet
MINNESOTA MINING & MFG2 citations60