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Click below for detailed party information:

Inventors

Brian Frank Weaver Brian Alvin Laws Robert C. Roberts

Assignee

PROGRESS RAIL SERVICES CORP.

Other Parties

LAWS, BRIAN ALVIN, MR., Assignor ROBERTS, ROBERT C., MR., Assignor WEAVER, BRIAN FRANK, MR., Assignor

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13/31,678 | U.S. Patent Application

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Filed Feb. 22, 2011

Examiner Zachary L Kuhfuss

Class 238

Art Group 3617

Patent No. 8,474,730

Case Type Utility

Status Patented Case

Last Updated: 1 day, 21 hours ago

Date	#	Transaction
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13/31,678 | U.S. Patent Application

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