Inventor · disambiguated record
Michael Filshtinsky
Also filed as: FILSHTINSKY MICHAEL
2 granted patents·184 citations·filing 1983–1983
68Inventor score
Technology areasE21B
Top patents by PatentIndex Score
2 records- 0188US4566545ACoring device with an improved core sleeve and anti-gripping collar with a collective core catcherCHRISTENSEN INC NORTON·Filed 1983·Granted Jan 28, 1986·167 cites·18 claims
- 0246US4512423ACoring device with an improved weighted core sleeve and anti-gripping collarCHRISTENSEN INC·Filed 1983·Granted Apr 23, 1985·17 cites·15 claims
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