
The Delphion Integrated View |
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US2417482 -
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Gacki | ||||||||||||||||||||||||||||||||||||
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1947-03
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396/481: PHOTOGRAPHY; CAMERA DETAIL; Shutter; Curtain type; Plural curtains; Curtain width opening adjustable 160/120: FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL; PLURAL AND/OR WITH RIGID CLOSURE; Roll type 160/237: FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL; WITH FABRIC HAVING DIVERSE AREAS 160/241: FLEXIBLE OR PORTABLE CLOSURE, PARTITION, OR PANEL; ROLL TYPE; Plural roll 267/155: SPRING DEVICES; TORSION; Coil | ||||||||||||||||||||||||||||||||||||
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5 patents reference this one
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