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Patents for Caleb Angevine
Patents 1 - 3 of 3
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PictureNumberDatePatenteeTitle
  6,399XFeb. 28, 1831C. AngevinePendulum churn
  7,006XApr. 19, 1832C. AngevineBalanced lever churn
  9,009XAug. 17, 1835C. AngevineChurn
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