Assignee
ROEMER HELMUTH
DE·3 granted patents·51 citations·filing 1988–1991
Technology mixE21B3
Top patents by PatentIndex Score
3 records- 0151US4886128ARam boring implement having a movable bitROEMER HELMUTH·Filed 1988·Granted Dec 12, 1989·26 cites·14 claims
- 0241US4840237ARam boring implementROEMER HELMUTH·Filed 1988·Granted Jun 20, 1989·18 cites·12 claims
- 0326US5115717ARamming apparatusROEMER HELMUTH·Filed 1991·Granted May 26, 1992·7 cites·9 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →