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JACK KENNEDY METAL PRODUCTS & BUILDINGS, INC.

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William R. Kennedy John M. Kennedy KENNEDY METAL PRODUCTS & BUILDINGS, INC., Assignor

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REINFORCED MINE VENTILATION DEVICE

12/504,849 | U.S. Patent Application

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Location ELECTRONIC

Filed July 17, 2009

Examiner ABIGAIL ANNE RISIC

Class 014

Art Group 3671

Patent No. 8,220,094

Case Type Utility - 014/006000

Status Patented Case

Parent 61/84,012 Expired

Last Updated: 4 years ago

Date	#	Transaction
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REINFORCED MINE VENTILATION DEVICE

12/504,849 | U.S. Patent Application

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