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Sierra Applied Sciences, Inc.

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Records under this name other than patents Sierra Applied Sciences, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 6,011,704Auto-ranging power supply
Lapsed on the fee record
Ended Jan 4, 2012 · From the USPTO record
Lapsed on the fee recordEnded Jan 4, 2012From the USPTO record
US 5,262,028Planar magnetron sputtering magnet assembly
Formerly held
Term ended
Term ended no later than Nov 16, 2013 · Low confidence
Term endedTerm ended no later than Nov 16, 2013Low confidence
US 5,415,754Method and apparatus for sputtering magnetic target materials
Formerly held
Term ended
Term ended no later than May 16, 2015 · Low confidence
Term endedTerm ended no later than May 16, 2015Low confidence
US 5,682,067Circuit for reversing polarity on electrodes
Term ended
Term ended no later than Oct 28, 2017 · Low confidence
Term endedTerm ended no later than Oct 28, 2017Low confidence
US 5,815,388Polarity reversing circuit having energy compensation
Term ended
Term ended no later than Sep 29, 2018 · Low confidence
Term endedTerm ended no later than Sep 29, 2018Low confidence
US 5,855,745Plasma processing system utilizing combined anode/ ion source
Term ended
Term ended no later than Jan 5, 2019 · Low confidence
Term endedTerm ended no later than Jan 5, 2019Low confidence
US 5,882,492A.C. plasma processing system
Term ended
Term ended no later than Mar 16, 2019 · Low confidence
Term endedTerm ended no later than Mar 16, 2019Low confidence
US 5,889,391Power supply having combined regulator and pulsing circuits
Term ended
Term ended no later than Mar 30, 2019 · Low confidence
Term endedTerm ended no later than Mar 30, 2019Low confidence
US 5,910,886Phase-shift power supply
Term ended
Term ended no later than Jun 8, 2019 · Low confidence
Term endedTerm ended no later than Jun 8, 2019Low confidence
US 5,980,707Apparatus and method for a magnetron cathode with moving magnet assembly
Term ended
Term ended no later than Nov 9, 2019 · Low confidence
Term endedTerm ended no later than Nov 9, 2019Low confidence
10 of 12 patents shown.
Pro members see all 12.
Pro members: see all 12 patents
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