Inventor · disambiguated record
David R. Bryce
Also filed as: BRYCE DAVID · BRYCE DAVID R
8 granted patents·994 citations·filing 1983–2017
91Inventor score
Top patents by PatentIndex Score
8 records- 0195US10365198B2Particle characterizationMALVERN PANALYTICAL LTD·Filed 2017·Granted Jul 30, 2019·10 cites·18 claims
- 0291US5261518ACombined conductivity and magnetic currency validatorBRANDT INC·Filed 1993·Granted Nov 16, 1993·168 cites·11 claims
- 0391US5068519AMagnetic document validator employing remanence and saturation measurementsBRANDT INC·Filed 1990·Granted Nov 26, 1991·191 cites·23 claims
- 0490US5341408AControl system for currenty counterBRANDT INC·Filed 1991·Granted Aug 23, 1994·199 cites·24 claims
- 0590US4764725AApparatus for detecting counterfeit currency using two coils to produce a saturating magnetic fieldBRANDT INC·Filed 1986·Granted Aug 16, 1988·139 cites·11 claims
- 0690US4617458ACounterfeit detection circuitBRANDT INC·Filed 1985·Granted Oct 14, 1986·128 cites·12 claims
- 0789US4593184ACounterfeit detection circuitBRANDT INC·Filed 1983·Granted Jun 3, 1986·159 cites·15 claims
- 0863US11054356B2Particle characterisation with a focus tuneable lensMALVERN PANALYTICAL LTD·Filed 2017·Granted Jul 6, 2021·0 cites·19 claims
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