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CHECK FRANK T
US
2 patents
Patents
2 patents
US4809021A
Feb 28, 1989
Apparatus and method for generating images by producing light spots of different sizes
PITNEY BOWES INC
39 citations
89
US4239088A
Dec 16, 1980
Scale with weight-to-period transducer
PITNEY BOWES INC
14 citations
70