Inventor · Monroe, CT, US

Richard S. Constantine

52Patents

10h-index

24Co-inventors

78Inventor score

Filing activity: Aug 25, 1995 → Aug 19, 2020

Most-cited inventions

Patent	Title	Area	Cited by	Status
USD600092S1	Utility snips	General	44	Expired
USD733517S1	Putty knife	General	38	Active
US7886445B2	Cutting implement with cartridge	Performing Operations; Transporting	27	Active
USD811847S1	Knife	General	18	Active
USD722851S1	Crimper	General	17	Active
USD587553S1	Utility knife	General	15	Expired
US8689450B2	Knife having a reversible carriage	Performing Operations; Transporting	13	Active
USD828737S1	Pliers	General	13	Active
US8701294B2	Cutting implement with interchangeable/replaceable blades	Emerging Cross-Sectional Technologies	11	Active
USD379008S	Electronic message recorder	General	10	Expired
USD724918S1	Micro scissors	General	10	Active
USD828738S1	Pliers	General	9	Active
USD896608S1	Knife handle	General	9	Active
USD380753S	Telephone-clock radio	General	8	Expired
USD815490S1	Knife handle	General	7	Active
USD807723S1	Folding knife	General	7	Active
USD854392S1	Foldable blade sharpener	General	6	Active
USD388086S	Telephone	General	5	Expired
USD380754S	Arch telephone	General	5	Expired
USD771461S1	Shears	General	5	Active
USD724919S1	Shears	General	5	Active
USD724908S1	Snips	General	5	Active
USD829521S1	Scissors	General	5	Active
USD828133S1	Scissors	General	5	Active
USD374228S	Digital answering machine	General	5	Expired

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