| All Patents in class 409/327 | 
| Patents 1 - 
					15
					of 32 
       | 
| Number | Date | Patentee | Title | Type | 
| 14,296 | Feb. 19, 1856 | W.J. von Kammerhueber, P. Schrag | Sawing Stone | stone cutting machines | 
| 21,567 | Sep. 21, 1858 | D.R. Knowles | Machine for Cutting Metal Bars | metal shearing machines | 
| 163,657 | May 25, 1875 | A. Hoffmann | Planing- Attachment for Metal-Turning Lathes | metal lathe accessories and attachments | 
| 397,671 | Feb. 12, 1889 | T.A. Thorsen | Planing Machine | metal planers | 
| 402,574 | May 07, 1889 | U. Eberhardt | Shaping Machine | metal shapers | 
| 413,444 | Oct. 22, 1889 | J. Hangoczky | Hand Planing Machine | metal planers | 
| 445,644 | Feb. 03, 1891 | J. Kellow | Stone Dressing Machine | stone dressing machines | 
| 506,678 | Oct. 17, 1893 | U. Eberhardt | Ram connection for Shaping or Slotting Machines | metalworking machine mechanisms | 
| 535,895 | Mar. 19, 1895 | M. Flather | Shaper or Metal Planer | metal shapers | 
| 543,598 | Jul. 30, 1895 | E.J. Flather, M. Flather | Quick Retun Motion for Shaping Machines |  | 
| 564,064 | Jul. 14, 1896 | M. Flather | Mechanism for Adjusting Length of Stroke in Metal Planers and Shapers | metalworking machine mechanisms | 
| 622,160 | Mar. 28, 1899 | W.P. Norton | Friction Driving Device for Shaping or other Machines | metal shapers | 
| 638,274 | Dec. 05, 1899 | S.W. Putnam, S.W. Putnam, Jr. | Metal-working machine | metal shapers | 
| 807,214 | Dec. 12, 1905 | J.C. Steen | Shaping-machine | metal shapers | 
| 820,330 | May 08, 1906 | C.H. Amidon | Planing Machine |  |