Patent US3345775 - FIRE DOOR

Patents

Inventors: P. F. CROSBY, P. F. CROSBY
Current U.S. Classification: 49/4; 16/48.5; 16/197; 49/445; 160/9

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Citing Patent	Filing date	Issue date	Original Assignee	Title
US4839880	24 Sep 1987	13 Jun 1989	Staar S.A.	Apparatus for loading record discs of different diameters in disc players
US5463611	30 Nov 1993	31 Oct 1995	Daewoo Electronics Co., Ltd.	Loading apparatus of a multi-disc player
US7814705	23 Dec 2008	19 Oct 2010		Automatic storm shutter