Inventor · Southbridge, MA, US

Robert E. Graf

9Patents
6h-index
4Co-inventors
52Inventor score

Filing activity: Mar 2, 1967 → Mar 18, 1976

Most-cited inventions

PatentTitleAreaCited byStatus
US4042405A High strength ophthalmic lens Emerging Cross-Sectional Technologies 84 Expired
US3996627A Artificial intraocular lens Emerging Cross-Sectional Technologies 57 Expired
US4012131A High strength ophthalmic lens Emerging Cross-Sectional Technologies 21 Expired
US3954656A Laser glasses with high damage threshold and method of making such glasses Chemistry; Metallurgy 11 Expired
US3997249A Ion exchangeable segment glass Emerging Cross-Sectional Technologies 9 Expired
US3935020A Faraday rotation glasses Chemistry; Metallurgy 7 Expired
US3955991A Absorptive glass Chemistry; Metallurgy 6 Expired
US3997250A High strength ophthalmic lens Emerging Cross-Sectional Technologies 5 Expired
US3950176A Semiconducting glasses and the method of preparation thereof Electricity 3 Expired

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