Datamp.org Patents http://www.datamp.org/ Recently added patents en-us US Patent: 1,576,593 http://www.datamp.org/patents/displayPatent.php?id=51113&pn=1,576,593 Grinder Patentee: Albert F. Froussard - St. Louis MO Granted:1926-03-16

The inventor was the president of the Multiple Boring Machine Co., which made a cylinder reboring machine.
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