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Patents were issued last week to Frederick Hayer, of Richmond, Va, for improvement in sewing machines. Harrison C. Ravenscraft, of Kingswood, Va., for improvement in cultivators. Charles L. Jones, of Richmond, Va., assignor to himself, and Wm. H. Tyree, of same place, for improved carpenter clamp.--Thomas M. Fell, of Melvin Mines, Va., for improved amalgamator.
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