David Alan Barr
Engineers at 142 Ter, Overland Park, KS

License number
Colorado 35444
Issued Date
Apr 9, 2001
Renew Date
Nov 1, 2015
Expiration Date
Oct 31, 2017
Type
Professional Engineer
Address
Address
11416 W 142Nd Ter, Overland Park, KS 66221
LicenseFiles verified this license of Dec 9, 2016 at the Colorado - Department of Regulatory Agencies.

Professional information

David Barr Photo 1

Attachment For A Socket Wrench, And Method

US Patent:
7284463, Oct 23, 2007
Filed:
Aug 1, 2006
Appl. No.:
11/496904
Inventors:
Donald DeCelles - Overland Park KS, US
David Alan Barr - Overland Park KS, US
David E Herron - Kansas City KS, US
Assignee:
Great Ideas, LLC - Overland Park KS
International Classification:
B25B 23/142, B25B 17/02, B25B 29/00
US Classification:
81 5729, 81 573, 81 5714
Abstract:
The invention includes an attachment for a socket wrench that is capable of imparting torque about an axis simultaneously in opposite directions. The invention also includes a method for imparting torque about an axis simultaneously in opposite directions.

Engineers licenses in Colorado