Industry Patents

Patent: 7909307

Tab Winch For Stage Use

(Click image for PDF of full patent)

Patent Number:	7909307
Title:	Tab Winch For Stage Use
Abstract:	A winch with adjustable arms allowing the length to be adjusted. The winch can have a very thin drum to allow it to fit in confined spaces.
Country of Issue:	US
First Named Inventor:	Kempf
Assignee:	Production Resource Group
Continuation or Divisional of:
International Classification:	B66D 1/36
US Classification:	254/286
Issue Date:	03-22-2011
Filing Date:	06-12-2009
Application :	12/483890
Notes:
Link to Patent at freepatentsonline.com:	7909307 at Freepatentsonline
Link to World Patent Family¹:	World Patent Family at European Patent Office
Link to Google Patents¹:	7909307 at Google Patents

1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.

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