Inventor · disambiguated record
Robert M. Perchak
Also filed as: PERCHAK ROBERT · PERCHAK ROBERT M · PERCHAK ROBERT MATTHEW
16 granted patents·1 pending application·304 citations·filing 1982–2008
94Inventor score
Top patents by PatentIndex Score
17 records- 0192US4402185AThermoelectric (peltier effect) hot/cold socket for packaged I.C. microprobingNCR CO·Filed 1982·Granted Sep 6, 1983·90 cites·6 claims
- 0284US7920337B2Wide angle surface generator and targetMIRAGE HOLOGRAPHY LTD·Filed 2008·Granted Apr 5, 2011·16 cites·7 claims
- 0383US7497021B2Multi-axis bubble vial deviceTRIMBLE NAVIGATION LTD·Filed 2006·Granted Mar 3, 2009·19 cites·33 claims
- 0469US5059950ADeactivatable electronic article surveillance tags, tag webs and method of making tag websMONARCH MARKING SYSTEMS INC·Filed 1990·Granted Oct 22, 1991·42 cites·17 claims
- 0568US5994688APosition leveling sensor for a laser transmitterSPECTRA PRECISION INC·Filed 1997·Granted Nov 30, 1999·31 cites·17 claims
- 0658US6628405B1Optical angle finder and coaxial alignment deviceMIRAGE DEV LTD·Filed 2000·Granted Sep 30, 2003·9 cites·5 claims
- 0752US5760932ATarget for laser leveling systemsMIRAGE DEV LTD·Filed 1995·Granted Jun 2, 1998·22 cites·19 claims
- 0851US6292258B1Laser receiver with out-of-plumb indication and compensationSPECTRA PREC INC·Filed 1999·Granted Sep 18, 2001·25 cites·19 claims
- 0951US5448362ANon-contact measurement of displacement and changes in dimension of elongated objects such as filamentsFiled 1993·Granted Sep 5, 1995·15 cites·16 claims
- 1047US6515783B2Penta assembly skew compensatorMIRAGE DEV LTD·Filed 2001·Granted Feb 4, 2003·2 cites·7 claims
- 1141US2004051982A1Wide angle surface generator & targetFiled 2002·Application pending·0 cites
- 1236US6054717ABeam centering systemMIRAGE DEV LTD·Filed 1998·Granted Apr 25, 2000·5 cites·16 claims
- 1335US5923426ABi-lateral shearing interferometerMIRAGE DEV LTD·Filed 1998·Granted Jul 13, 1999·7 cites·9 claims
- 1433US6081333ABi-lateral shearing interferometer with beam convergence/divergence indicationMIRAGE DEV LTD·Filed 1999·Granted Jun 27, 2000·5 cites·2 claims
- 1533US5896475AThin lightguide target for laser alignmentMIRAGE DEV LTD·Filed 1997·Granted Apr 20, 1999·6 cites·13 claims
- 1632US5818633ALaser leveling target with fresnel lens systemMIRAGE DEV LTD·Filed 1996·Granted Oct 6, 1998·5 cites·10 claims
- 1732US5710647ATarget for laser leveling systemsFiled 1995·Granted Jan 20, 1998·5 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →