| All Patents in class 72/433 |
Patents 46 -
52
of 52
      |
| Number | Date | Patentee | Title | Type |
| 1,038,999 | Sep. 17, 1912 | J.A. Willey | Power Hammer | power hammers |
| 1,045,548 | Nov. 26, 1912 | S.P. Harvey | Power Hammer | power hammers |
| 1,048,127 | Dec. 24, 1912 | S. Baumgartner | Forging Machine | trip and helve hammers |
| 1,061,848 | May 13, 1913 | F. Jones | Tinner's Seam Beating Device | crimping machines |
| 1,076,554 | Oct. 21, 1913 | J.I. Depew | Power Hammer | drop hammers |
| 1,154,666 | Sep. 28, 1915 | H.C. Smith | Power Hammer | power hammers |
| 1,385,011 | Jul. 19, 1921 | J. Ledwinka | Hammering Machine | power hammers |
