B44D 7/00

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9417471 Method and device for protecting objects from degradation by light with suspended particle device light valvesApr 29, 14Aug 16, 16Research Frontiers Incorporated
9365072 Painting canvas protective deviceJun 17, 14Jun 14, 16Not available
8875431 Artwork preservation systemAug 21, 13Nov 04, 14Not available
7219795 Device for protecting a painter's canvas in particular during its transportJun 18, 01May 22, 07Not available
5555974 Enclosure with oxygen scavenging material for storing paints mixed on artist's paletteJan 11, 95Sep 17, 96Donald; Donell C.