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Lock Washer.
Authors
Clinton A. Medbery
Publication date
8 June 1920
Publisher
United States. Patent Office.
Abstract
Patent for "an improved lock washer especially adapted for locking nuts" (lines 10-11) that was designed to "be interposed between the nut and a member to be clamped by the nut" (lines 14-16)
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Last time updated on 25/08/2022