Nova Patents
US28302A

Untitled record

Abstract

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US28302A, drawing sheet 1
Sheet 1 of 2

2 claims: 2 independent, 0 dependent

  1. 1
    Having thus fully described my invention and its operation, what I claim as new, and desire to secure by Letters Patent is—· 100 1. The construction, and arrangement of a compound rubbing-board, having a series of alternate ridges, and rollers, to compress, and rub at the same time as herein described, for the purposes specified. 105
  2. 2
    I claim the compound rubbing-board, in combination with a fluted roller, or its equivalent as set forth. JOSIAH S. POND. Witnesses:Edm. F. Beown, J. B. Woodruff.