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Dakota Sciences, Inc.

Also on record
Records under this name other than the patents Dakota Sciences, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 1 patents it holds.

Showing 1 to 4 of 4 · Back to Dakota Sciences, Inc.

PatentTitleStatus Expires Confidence
US 8,857,982Progressive multifocal rigid gas permeable contact lens
Lapsed on the fee record
Ended Oct 14, 2026 · From the USPTO record
Lapsed on the fee recordEnded Oct 14, 2026From the USPTO record
US 7,559,649Corneal-scleral orthokeratology contact lens
Term ended
Term ended Jun 28, 2026 · From the USPTO record
Term endedTerm ended Jun 28, 2026From the USPTO record
US 8,118,426Corneal-sclera orthokeratology lens with asymetric blends
Term ended
Term ended Dec 2, 2025 · From the USPTO record
Term endedTerm ended Dec 2, 2025From the USPTO record
US 5,929,968Scleral-corneal contact lens
Term ended
Term ended no later than Jul 27, 2019 · Low confidence
Term endedTerm ended no later than Jul 27, 2019Low confidence
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