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Patents for David Duvan | |||||
Number | Date | Patentee | Title | Type | |
D530,166 | Oct. 17, 2006 | J. Kurtovic, D. Duvan, C.P. Davis, B.J. Cutler, D.D. Curry, D.F. Brekke, T.P. Becker | Electronic Torque Wrench | torque wrenches | |
7,182,147 | Feb. 27, 2007 | D.R. Constantino, D. Atkinson, G. Keefe, D. Duvan, B.J. Cutler | Tool Apparatus, System and Method of Use |