Inventor · Seattle, WA, US

William D. Hay

6Patents
4h-index
7Co-inventors
50Inventor score

Filing activity: Jun 3, 1977 → Feb 13, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US8117164B2 Creating and utilizing network restore points Physics 27 Active
US4343092A Probe guide and holder Physics 15 Expired
US4190770A Backscatter instrument having indexing feature for measuring coating thickness of elements on a continuously moving web of substrate material Physics 4 Expired
US4115690A Backscatter instrument for measuring thickness of a continuously moving coated strip of substrate material Physics 4 Expired
US4229652A Backscatter apparatus and method for measuring thickness of a continuously moving coated strip of substrate material Physics 3 Expired
US8612391B2 Creating and utilizing network restore points Physics 0 Active

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