Inventor
DOUGHERTY LAWRENCE W
32 patents
⚠️ This page may combine multiple inventors who share the name “DOUGHERTY LAWRENCE W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZENITH ELECTRONICS CORP
20 patentsUS5152707AOct 6, 1992
Conformable anvil for supporting in-process face panels of tension mask color cathode ray tubes
ZENITH ELECTRONICS CORP46 citations92
US4930015AMay 29, 1990
Flat tension mask cathode ray tube implosion system
ZENITH ELECTRONICS CORP24 citations91
US5188553AFeb 23, 1993
Flat front panel CRT bulb pre-stressed prior to final evacuation and method of making same
ZENITH ELECTRONICS CORP9 citations74
US4721488AJan 26, 1988
Apparatus for tensing a shadow mask foil
ZENITH ELECTRONICS CORP18 citations74
US4710670ADec 1, 1987
Front assembly system for a tension mask color cathode ray tube
ZENITH ELECTRONICS CORP7 citations74
US4686416AAug 11, 1987
Color CRT front assembly with tension mask support
ZENITH ELECTRONICS CORP7 citations74
US4891544AJan 2, 1990
Front assembly for a tension mask color cathode ray tube having a pre-sized mask support structure
ZENITH ELECTRONICS CORP11 citations73
US4776822AOct 11, 1988
Registration transfer process for use in the manufacture of a tension mask color cathode ray tube
ZENITH ELECTRONICS CORP14 citations73
US4891546AJan 2, 1990
Front assembly for a tension mask color cathode ray tube having a laser-deflecting shadow mask support structure
ZENITH ELECTRONICS CORP14 citations72
US4908995AMar 20, 1990
Rail grinding method and apparatus
ZENITH ELECTRONICS CORP10 citations71
US5049778ASep 17, 1991
Mask support structure for tension mask color cathode ray tubes
ZENITH ELECTRONICS CORP3 citations63
US4824412AApr 25, 1989
Method for mounting a tension mask color cathode ray tube
ZENITH ELECTRONICS CORP6 citations63
US5023507AJun 11, 1991
Tension mask color cathode ray tube with improved color selection electrode support structure
ZENITH ELECTRONICS CORP5 citations62
US5017170AMay 21, 1991
Brazing method for mounting a tension shadow mask
ZENITH ELECTRONICS CORP3 citations62
US5139451AAug 18, 1992
Processing and protecting a foil shadow mask for a tension mask color cathode ray tube
ZENITH ELECTRONICS CORP2 citations61
US4840596AJun 20, 1989
Factory fixture frame with means for temporarily and removably supporting an in-process tension mask for a color cathode ray tube
ZENITH ELECTRONICS CORP2 citations61
US4739215AApr 19, 1988
Electrical conduction means for use in tension mask color cathode ray tubes
ZENITH ELECTRONICS CORP5 citations60
US5045009ASep 3, 1991
Mechanical means and process for severing a tensed foil shadow mask
ZENITH ELECTRONICS CORP4 citations59
US4710669ADec 1, 1987
Internal electrical connector for a tension mask tube
ZENITH ELECTRONICS CORP4 citations57
US5047684ASep 10, 1991
Mask support structure for tension mask color cathode ray tubes
ZENITH ELECTRONICS CORP1 citations46
ZENITH RADIO CORP
11 patentsUS4317064AFeb 23, 1982
Shadow mask suspension system
ZENITH RADIO CORP12 citations74
US4300071ANov 10, 1981
Four-corner shadow mask suspension system for television cathode ray tubes
ZENITH RADIO CORP20 citations74
US4191909AMar 4, 1980
Color CRT with shadow mask having peripherally grooved skirt
ZENITH RADIO CORP9 citations74
US4045701AAug 30, 1977
Shadow mask supported by cathode ray tube faceplate
ZENITH RADIO CORP20 citations74
US4028580AJun 7, 1977
Shadow mask mount and funnel-faceplate referencing system for color CRT
ZENITH RADIO CORP8 citations74
US3999098ADec 21, 1976
Color cathode ray tube having an improved shadow mask suspension system
ZENITH RADIO CORP17 citations74
US3995283ANov 30, 1976
Screening lighthouse for color cathode ray tubes
ZENITH RADIO CORP9 citations74
US4355260AOct 19, 1982
Shadow mask suspension means for color cathode ray picture tubes
ZENITH RADIO CORP3 citations63
US4168010ASep 18, 1979
Implosion protected color cathode ray tube bulb and bulb components
ZENITH RADIO CORP4 citations63
US4019231AApr 26, 1977
Method for attaching a shadow or photographic mask to a flangeless, curved faceplate of a color television picture tube
ZENITH RADIO CORP5 citations63
US4356606ANov 2, 1982
Shadow mask inserter apparatus and method
ZENITH RADIO CORP2 citations59