Inventor · Lake Elmo, MN, US

Joseph M. McGrath

26Patents
15h-index
36Co-inventors
81Inventor score

Filing activity: Feb 17, 1976 → Oct 5, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US4025159A Cellular retroreflective sheeting Physics 387 Expired
US6172810A Retroreflective articles having polymer multilayer reflective coatings Emerging Cross-Sectional Technologies 108 Expired
US5508105A Thermal print receptive and frangible retrorefelective polymeric sheetings Emerging Cross-Sectional Technologies 43 Expired
US6503564B1 Method of coating microstructured substrates with polymeric layer(s), allowing preservation of surface feature profile Emerging Cross-Sectional Technologies 40 Expired
US6243201A Retroreflective articles having polymer multilayer reflective coatings Emerging Cross-Sectional Technologies 38 Expired
US6656319B1 Fluid-activatable adhesive articles and methods Emerging Cross-Sectional Technologies 38 Expired
US6350034B1 Retroreflective articles having polymer multilayer reflective coatings Emerging Cross-Sectional Technologies 37 Expired
US7140741B2 Color shifting retroreflector and method of making same Emerging Cross-Sectional Technologies 36 Expired
US4248748A Heat-activated adhesive Emerging Cross-Sectional Technologies 33 Expired
US6365262B1 Pavement marking articles having enhanced retroreflectivity under dry or wet conditions and method for making same Emerging Cross-Sectional Technologies 28 Expired
US6479132B2 Pavement marking articles having enhanced retroreflectivity under dry or wet conditions and method for making same Emerging Cross-Sectional Technologies 27 Expired
US5605311A Upper torso support for a workstation Emerging Cross-Sectional Technologies 25 Expired
US6815043B2 Microstructured substrates with profile-preserving polymeric coatings Emerging Cross-Sectional Technologies 23 Expired
US6132883A Transparent powder coating compositions for protecting surfaces Emerging Cross-Sectional Technologies 18 Expired
US6224219A Method for making retroreflective articles having polymer multilayer reflective coatings Emerging Cross-Sectional Technologies 18 Expired
US5670005A Method for manufacturing improved data display retroreflective sheeting Emerging Cross-Sectional Technologies 15 Expired
US6475316B1 Methods of enhancing adhesion Chemistry; Metallurgy 13 Expired
US7288309B2 Microstructured substrates with profile-preserving organometallic coatings Emerging Cross-Sectional Technologies 13 Expired
US6458048B1 Baseball and softball practice device Human Necessities 8 Expired
US5810301A Upper torso support for a workstation Emerging Cross-Sectional Technologies 8 Expired
US6288189A Polyolefin microspheres Emerging Cross-Sectional Technologies 6 Expired
US5897738A Process for manufacturing a sign Performing Operations; Transporting 6 Expired
US4105036A Portable sauna Human Necessities 5 Expired
US6135900A Baseball and softball practice device Human Necessities 3 Expired
US5983532A Snowshoe foot clamp Human Necessities 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.