Stefko Properties, LLC

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Patent Activity in the Last 10 Years

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C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR392

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8197706 Refrigerant with lubricating oil for replacement of R22 refrigerantDec 06, 10Jun 12, 12[C09K]
7332102 Refrigerant with lubricating oilJul 06, 05Feb 19, 08[C09K]
7320763 Refrigerant for low temperature applicationsDec 28, 05Jan 22, 08[C09K]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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