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Material Methods LLC

Also on record
Records under this name other than patents Material Methods LLC holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 6 of 6 · Back to Material Methods LLC

PatentTitleStatus Expires Confidence
US 7,077,891Adsorbent Sheet Material for Parallel Passage Contactors
Formerly held
Term ended
Term ended Oct 1, 2023 · High confidence
Term endedTerm ended Oct 1, 2023High confidence
US 7,598,002Enhanced electrochemical cells with solid-electrolyte interphase promoters
Lapsed on the fee record
Ended Oct 6, 2013 · From the USPTO record
Lapsed on the fee recordEnded Oct 6, 2013From the USPTO record
US 4,004,630Process for the manufacture of cast iron
Term ended
Term ended no later than Jan 25, 1997 · Low confidence
Term endedTerm ended no later than Jan 25, 1997Low confidence
US 4,134,757Method of treating molten metal
Term ended
Term ended no later than Jan 16, 1999 · Low confidence
Term endedTerm ended no later than Jan 16, 1999Low confidence
US 4,238,231Apparatus for treatment of molten metal
Term ended
Term ended no later than Dec 9, 2000 · Low confidence
Term endedTerm ended no later than Dec 9, 2000Low confidence
US 4,869,388Metal treatment vessel and method
Term ended
Term ended no later than Sep 26, 2009 · Low confidence
Term endedTerm ended no later than Sep 26, 2009Low confidence
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