Inventor · Oak Park, IL, US

Greg Holderfield

21Patents
11h-index
18Co-inventors
68Inventor score

Filing activity: May 7, 1998 → Jul 27, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
USD532450S1 Photo printer General 61 Expired
USD561250S1 Printer housing General 46 Expired
USD547160S1 Handle General 40 Expired
USD500848S1 Air cleaner General 29 Expired
USD588201S1 Nameplate General 27 Expired
USD540852S1 Photo printer General 26 Expired
USD482064S1 Combination pen and fan General 24 Expired
USD501042S1 Air cleaner General 23 Expired
USD410946S Shredder General 16 Expired
USD532816S1 Photo printer General 13 Expired
USD558264S1 Printer housing General 11 Expired
USD611273S1 Chest panel General 9 Expired
USD511922S1 Brewer General 8 Expired
USD554963S1 Fastener driving tool housing General 7 Expired
USD499476S1 Air cleaner General 7 Expired
US7617957B2 Mounting system for the exhaust gas deflector of a power tool Emerging Cross-Sectional Technologies 7 Active
USD551003S1 Heater unit General 6 Expired
USD588843S1 Cabinet panel General 1 Expired
USD563760S1 Handle General 1 Expired
USD550491S1 Base unit General 1 Expired
USD550490S1 Base unit General 1 Expired

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