https://www.datamp.org/ Recently added patents en-us https://www.datamp.org/patents/displayPatent.php?id=85222&pn=707,418 Pliers Patentee: Matthew M. Howland - Providence RI Granted:1902-08-19

"Automatic adjustment lock" type provision for parallel jaw pliers and similar tools. The patent date appears in a 1906 ad for MOSSBERG TRITON parallel jaw pliers available from Pope Mfg. Co. No other ad has been found, and no examples have been reported.
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