Inventor · disambiguated record
John P. Grajewski
Also filed as: GRAJEWSKI JOHN · GRAJEWSKI JOHN P
7 granted patents·231 citations·filing 1981–2007
87Inventor score
Top patents by PatentIndex Score
7 records- 0187US6640956B1Method of coin detection and bag stopping for a coin sorterDE LA RUE CASH SYSTEMS INC·Filed 2000·Granted Nov 4, 2003·76 cites·20 claims
- 0285US6503138B2Method and apparatus for bag stopping in a small coin sorterDE LA RUE CASH SYSTEMS INC·Filed 2001·Granted Jan 7, 2003·56 cites·14 claims
- 0372US6729461B2Methods and apparatus for detection of coin denomination and other parametersDE LA RUE CASH SYSTEMS INC·Filed 2001·Granted May 4, 2004·13 cites·40 claims
- 0468US5992602ACoin recognition and off-sorting in a coin sorterRUE SYSTEMS AMERICAS CORP DE·Filed 1997·Granted Nov 30, 1999·44 cites·21 claims
- 0566US4593371AX-ray tube emission current controllerGEN ELECTRIC·Filed 1983·Granted Jun 3, 1986·20 cites·7 claims
- 0662US8210337B2Method and sensor for sensing coins for valuationZWIEG ROBERT L·Filed 2007·Granted Jul 3, 2012·2 cites·14 claims
- 0760US4392096ASectional X-ray table having dual servo drivesGEN ELECTRIC·Filed 1981·Granted Jul 5, 1983·20 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →