Inventor · Windom, MN, US

Raymond E. Grunzinger

10Patents
9h-index
6Co-inventors
61Inventor score

Filing activity: Nov 15, 1982 → Apr 4, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4721649A Retroreflective sheeting Emerging Cross-Sectional Technologies 69 Expired
US4725494A Retroreflective sheeting Emerging Cross-Sectional Technologies 68 Expired
US5077117A Pavement marking material with rupturing top layer Emerging Cross-Sectional Technologies 48 Expired
US4808471A Flat transparent top coat for retroreflective sheeting Emerging Cross-Sectional Technologies 48 Expired
US5008142A Embedded lens retroreflective sheeting with flexible, dimensionally stable coating Emerging Cross-Sectional Technologies 27 Expired
US4530859A Method of preparing a polymeric coating composition from a blocked isocyanate-functional polymeric compound and a crosslinking agent which is insoluble in aprotic solvents Chemistry; Metallurgy 27 Expired
US5262225A Embossable sign construction Emerging Cross-Sectional Technologies 24 Expired
US5256721A Polymer composition for use as flexible dimensionally stable coating; and method Physics 15 Expired
US6156436A Use of a crystalline bead bond layer in a retroreflective article Emerging Cross-Sectional Technologies 12 Expired
US5196474A Polymer composition for use as flexible, dimensionally stable coating; and method General 0 Revoked

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