Inventor · Philadelphia, PA, US

Francis Carroll

13Patents
7h-index
1Co-inventors
56Inventor score

Filing activity: May 6, 1994 → Dec 4, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
USD430968S Golf shoe spike General 78 Expired
US5794367A Sports shoe cleats Human Necessities 68 Expired
US5485809A Chewable animal toy Human Necessities 23 Expired
USD566802S1 Golf tee General 20 Expired
US6530162B1 Sports shoe cleats Human Necessities 8 Expired
USD715877S1 Golf tee General 8 Active
USD782587S1 Golf tee General 7 Active
USD724685S1 Counterweight for golf club General 7 Active
US9849360B2 Golf tee with ball support Human Necessities 6 Active
USRE40047E1 Sports shoe cleats General 5 Expired
USD774606S1 Golf tee General 3 Active
US9381413B2 Golf tee with rigid stake and flexible crown Human Necessities 1 Active
US9216337B2 Overmolded golf tee and method of making it Performing Operations; Transporting 0 Active

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