Inventor · disambiguated record
William J. Roach
Also filed as: ROACH WILLIAM J · ROACH WILLIAM JOHN · ROACH WILLIAM R
4 granted patents·1 pending application·224 citations·filing 1976–2001
81Inventor score
Top patents by PatentIndex Score
5 records- 0188US4074831ALiquid metering device with adjustable stopsROACH WILLIAM JOHN·Filed 1976·Granted Feb 21, 1978·71 cites·13 claims
- 0277US5192511APipette tip and pistonTRI CONTINENT SCIENT INC·Filed 1991·Granted Mar 9, 1993·119 cites·13 claims
- 0368US6094852AFishing pole tip-up systemFiled 1999·Granted Aug 1, 2000·29 cites·20 claims
- 0449USD260554SMicropipetting deviceROACH WILLIAM J·Filed 1979·Granted Sep 1, 1981·5 cites·1 claims
- 0536US2002008463A1Display device and module thereforFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →