Individual holder
BALLARD MICHAEL J
US·3 granted patents·81 citations·filing 1984–1986
Individually held — no corporate assignee on record.
Technology mixF16J3
Top patents by PatentIndex Score
3 records- 0182US4484754ARing seal with overlapping flanges for contaminant trappingBALLARD MICHAEL J·Filed 1984·Granted Nov 27, 1984·38 cites·13 claims
- 0271US4576383ARing seal with overlapping flanges for contaminant trappingBALLARD MICHAEL J·Filed 1984·Granted Mar 18, 1986·27 cites·22 claims
- 0348US4685684ADynamic sealBALLARD MICHAEL J·Filed 1986·Granted Aug 11, 1987·16 cites·19 claims
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