Inventor · Richmond, VA, US

Robert L. Duncan

7Patents
5h-index
3Co-inventors
48Inventor score

Filing activity: Apr 1, 1974 → Jun 15, 1978

Most-cited inventions

PatentTitleAreaCited byStatus
US4240152A Object indicator for moving vehicles Emerging Cross-Sectional Technologies 54 Expired
US3956296A 1-Substituted-4-benzylpiperidines Chemistry; Metallurgy 50 Expired
US4097565A Tire press and mold leakage control Emerging Cross-Sectional Technologies 11 Expired
US4032642A 1-Substituted-4-benzylpiperidines Chemistry; Metallurgy 9 Expired
US3942922A Tire press and mold leakage control Emerging Cross-Sectional Technologies 6 Expired
US4139620A 1-Substituted-3-aminoethoxypyrrolidines and use thereof Human Necessities 2 Expired
US4096331A 1-Substituted-3-aminoethoxypyrrolidines Human Necessities 1 Expired

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