Inventor · disambiguated record

Peter J. Sweeny

Also filed as: SWEENY PETER J

2 granted patents·152 citations·filing 1987–1988

69Inventor score

Technology areasB23Q E21B

Files withMINROC TECHN PROMOTIONS LTD2

Top patents by PatentIndex Score

2 records

0190US4819746AReverse circulation down-the-hole hammer drill and bit thereforMINROC TECHN PROMOTIONS LTD·Filed 1987·Granted Apr 11, 1989·122 cites·33 claims
0275US4790390AValveless down-the-hole drillMINROC TECHN PROMOTIONS LTD·Filed 1988·Granted Dec 13, 1988·30 cites·10 claims

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