Inventor · Park City, UT, US

Donald C. Stiff

20Patents
15h-index
6Co-inventors
70Inventor score

Filing activity: Oct 10, 2011 → Jul 15, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
USD673136S1 Headphone General 236 Active
USD683717S1 Headphone General 89 Active
USD701193S1 Headphone General 79 Active
USD674372S1 Headphone General 79 Active
USD685759S1 Headphone General 70 Active
USD674376S1 Headphone General 64 Active
USD673140S1 Headphone General 60 Active
USD685767S1 Headphone General 57 Active
USD701196S1 Headphone General 56 Active
USD701197S1 Headphone General 45 Active
USD676024S1 Wireless communication device General 39 Active
USD676023S1 Wireless communication device General 38 Active
USD904742S1 Sole structure General 30 Active
USD904743S1 Sole structure General 26 Active
USD813844S1 Headphone General 26 Active
USD733682S1 Portable speaker General 15 Active
USD925878S1 Sole structure General 12 Active
USD757678S1 Portable speaker General 6 Active
US9439467B2 Accessory structures for connection between straps and related methods Emerging Cross-Sectional Technologies 6 Active
USD947509S1 Sole structure General 2 Active

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