Inventor · Toledo, OH, US

Robert C. Hultz

6Patents
4h-index
3Co-inventors
42Inventor score

Filing activity: Jul 28, 1983 → Oct 15, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US4827686A Coated roofing membrane Emerging Cross-Sectional Technologies 37 Expired
US5145617A Method of processing scrap roof-membrane sheet material comprising a flexible synthetic fabric substrate enveloped in a thermoplastic plastic envelope Emerging Cross-Sectional Technologies 34 Expired
US4574103A Vinyl chloride polymer laminate Emerging Cross-Sectional Technologies 11 Expired
US4666761A Roofing membrane Emerging Cross-Sectional Technologies 8 Expired
US4515744A Vinyl chloride polymer laminate Emerging Cross-Sectional Technologies 3 Expired
US4565732A Vinyl chloride polymer laminate Emerging Cross-Sectional Technologies 2 Expired

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