Inventor · Foster City, CA, US

Donald G. Sheer

7Patents
7h-index
5Co-inventors
52Inventor score

Filing activity: May 1, 1991 → Jul 31, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6048457A Cast membrane structures for sample preparation Physics 118 Expired
US6200474A Cast membrane structures for sample prepartion Physics 76 Expired
US5833860A Centrifugal adsorptive sample preparation device and method Emerging Cross-Sectional Technologies 74 Expired
US5124041A Biomolecule sample immobilization Emerging Cross-Sectional Technologies 41 Expired
US6635201B1 Cast membrane structures for sample preparation Physics 15 Expired
US6998047B1 Cast membrane structures for sample preparation Performing Operations; Transporting 9 Expired
US6830717B2 Cast membrane structures for sample preparation Physics 8 Expired

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