Assignee
PRESTON ENGRAVERS INC
US11 patents
Top patents by PatentIndex Score
US4455903AJun 26, 1984
Adjustable anvil roll
PRESTON ENGRAVERS INC45 citations92
US4165666AAug 28, 1979
Apparatus for synchronizing advance of web and rotational speed of bucket or like method
PRESTON ENGRAVERS INC74 citations87
US4613321ASep 23, 1986
Diecutting roll system with improved scrap disposal capability
PRESTON ENGRAVERS INC32 citations86
US4542671ASep 24, 1985
Assembly for rotary die cutting utilizing a shaftless roll
PRESTON ENGRAVERS INC11 citations73
US4507996AApr 2, 1985
Device for transferring and monitoring load to die roll
PRESTON ENGRAVERS INC9 citations73
US4452116AJun 5, 1984
Assembly for rotary die cutting utilizing a shaftless roll
PRESTON ENGRAVERS INC7 citations73
US4599926AJul 15, 1986
Rotary cutting dies with vacuum assist to cut and clear waste
PRESTON ENGRAVERS INC17 citations69
US4159655AJul 3, 1979
Adjustable eccentric
PRESTON ENGRAVERS INC7 citations65
US4191077AMar 4, 1980
Bearing block with air supply passage
PRESTON ENGRAVERS INC3 citations61
US4143597AMar 13, 1979
Resilient plate clamping means
PRESTON ENGRAVERS INC5 citations54
USD260778SSep 15, 1981
Fan folding apparatus
PRESTON ENGRAVERS INC0 citations51