Inventor · Randallstown, MD, US

Stephen J. Ehrlich

6Patents
5h-index
5Co-inventors
56Inventor score

Filing activity: May 2, 1973 → Jun 10, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US4567317A EMI/RFI Protected enclosure Electricity 40 Expired
US3954014A Multiple shot pipetter Performing Operations; Transporting 17 Expired
US4097691A Remote telephone coupler as for medical emergency data transmission Electricity 14 Expired
US6116274A Sight glass with check valve and filter Emerging Cross-Sectional Technologies 14 Expired
US3949998A Tool chuck Emerging Cross-Sectional Technologies 10 Expired
US4042145A Sensitivity disc dispenser with tamper mechanism Chemistry; Metallurgy 5 Expired

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