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Patents for James A. Allan
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
2,621,556Dec. 16, 1952J.A. Allan, R.O. BeardsleyComparator for Testing Turbine Blades and the Likecomparators
2,652,664Sep. 22, 1953F.C. Savage, J.A. AllanOperator-controlled Grinding Machine With Optical Comparatorprofile and contour grinders
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