Inventor · disambiguated record
Jeffrey K. Fergason
Also filed as: FERGASON JEFFREY · FERGASON JEFFREY K
11 granted patents·3 pending applications·1,072 citations·filing 1989–2011
94Inventor score
Files withOSD ENVIZION COMPANY5ILIXCO INC2FERGASON PATENT PROPERTIES LLC1I O DISPLAY SYSTEMS LLC1OPTICAL SHIELDS INC1
Top patents by PatentIndex Score
14 records- 0193US5751258ALiquid crystal lens driver electronics for eye protection, high speed shuttering with consistent performanceOSD ENVIZION INC·Filed 1996·Granted May 12, 1998·163 cites·31 claims
- 0291US5519522AEye protection device for welding helmets and the like with hot mirror and indium tin oxide layerFiled 1993·Granted May 21, 1996·65 cites·17 claims
- 0391US5515186AEye protection device for welding helmets which reduces obliquely incident lightOSD ENVIZION COMPANY·Filed 1993·Granted May 7, 1996·104 cites·48 claims
- 0490US5857215AHelmet with high performance head and face protection utilizing molded composite materials and methodILIXCO INC·Filed 1996·Granted Jan 12, 1999·79 cites·65 claims
- 0589US6554428B2Method and apparatus for adjusting optical device to correspond to eye positionsI O DISPLAY SYSTEMS LLC·Filed 2001·Granted Apr 29, 2003·44 cites·28 claims
- 0687US5208688AEye protection device for welding helmetsOSD ENVIZION COMPANY·Filed 1991·Granted May 4, 1993·266 cites·48 claims
- 0783US5252817ADetector system for detecting the occurrence of welding using detector feedbackOSD ENVIZION COMPANY·Filed 1991·Granted Oct 12, 1993·63 cites·15 claims
- 0881US5074647ALiquid crystal lens assembly for eye protectionOPTICAL SHIELDS INC·Filed 1989·Granted Dec 24, 1991·120 cites·39 claims
- 0972US5377032AElectro-optic light shutter and frame assembly with integrated switching mechanismOSD ENVIZION COMPANY·Filed 1993·Granted Dec 27, 1994·117 cites·34 claims
- 1066USD353692SWelding lens assemblyOSD ENVIZION COMPANY·Filed 1993·Granted Dec 20, 1994·12 cites·1 claims
- 1144US2011267382A1Dual source backlight unit for use with a display, a display system and methodFERGASON PATENT PROPERTIES LLC·Filed 2011·Application pending·0 cites
- 1241US5749096AHelmet with high performance head and face protection utilizing complementary materialsILIXCO INC·Filed 1994·Granted May 12, 1998·39 cites·41 claims
- 1332US2004075734A1Stereo 3D ViewerFiled 2003·Application pending·0 cites
- 1426US2003090482A12D to 3D stereo plug-insFiled 2002·Application pending·0 cites
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