Individual holder
EK ROGER B
US·2 granted patents·1 pending application·63 citations·filing 1991–2007
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0179US5096692AMineralogical conversion of asbestos wasteEK ROGER B·Filed 1991·Granted Mar 17, 1992·48 cites·13 claims
- 0241US2008087136A1Ferrosilicate proppant and granule compositionEK ROGER B·Filed 2007·Application pending·0 cites
- 0338US5190610AMethod for producing a ceramic fiber-metal laminateEK ROGER B·Filed 1991·Granted Mar 2, 1993·15 cites·32 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →