Assignee

MORITA IRON WORKS

JP·3 granted patents·41 citations·filing 1984–1990

Technology mixB21F3

Top patents by PatentIndex Score

3 records

0168US4576028AMethod of making a coil spring and apparatus thereforMORITA IRON WORKS·Filed 1984·Granted Mar 18, 1986·23 cites·35 claims
0251US4967580AMethod and apparatus for making double-coned coil springsMORITA IRON WORKS·Filed 1988·Granted Nov 6, 1990·14 cites·4 claims
0330US5144826AForming device to be practiced in coil spring forming machine and method of replacing said deviceMORITA IRON WORKS·Filed 1990·Granted Sep 8, 1992·4 cites·3 claims

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