Inventor

GRAJEWSKI JOHN P

US6 patents

⚠️ This page may combine multiple inventors who share the name “GRAJEWSKI JOHN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DE LA RUE CASH SYSTEMS INC

2 patents

US6640956B1Nov 4, 2003

Method of coin detection and bag stopping for a coin sorter

DE LA RUE CASH SYSTEMS INC76 citations95

US6729461B2May 4, 2004

Methods and apparatus for detection of coin denomination and other parameters

DE LA RUE CASH SYSTEMS INC13 citations81

GEN ELECTRIC

2 patents

US4392096AJul 5, 1983

Sectional X-ray table having dual servo drives

GEN ELECTRIC20 citations79

US4593371AJun 3, 1986

X-ray tube emission current controller

GEN ELECTRIC20 citations71

RUE SYSTEMS AMERICAS CORP DE

1 patent

US5992602ANov 30, 1999

Coin recognition and off-sorting in a coin sorter

RUE SYSTEMS AMERICAS CORP DE44 citations89

ZWIEG ROBERT L

1 patent

US8210337B2Jul 3, 2012

Method and sensor for sensing coins for valuation

ZWIEG ROBERT L2 citations57