| All Patents in class 409/326 |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 12,117 | Jan. 02, 1855 | N. Aysworth | Metals, Machine for Boring, Planing and Slotting | drilling and boring |
| 18,017 | Aug. 18, 1857 | P. Maltby | Machine for dressing saws | saw sharpening machines |
| 26,441 | Dec. 13, 1859 | B.A. Mason | Cutting Railroad-Track Irons | metal shapers |
| 112,737 | Mar. 14, 1871 | S.W. Putnam, Jr. | Improvement in Machines for Slotting and Cutting Metal | metal slotting machines |
| 126,307 | Apr. 30, 1872 | H.K. Jones | Improvement in Marking Carpenter Squares | making squares |
| 142,495 | Sep. 02, 1873 | J. Miller | Planing Machines | metal planers |
| 144,851 | Nov. 25, 1873 | D. Larer | Diamond Mill-Stone Dressing Machines | stone dressing machines |
| 601,580 | Mar. 29, 1898 | F.B. Miles | Vertical planer | metal planers |
| 713,903 | Nov. 18, 1902 | H.E. Morton, M. Morton | Counterbalance for Traveling Head Shapers, &c. | metal shapers |
| 755,849 | Mar. 29, 1904 | L.H. Colburn | Vertical Shaper | metal shapers |
| 823,354 | Jun. 12, 1906 | C.C. Newton | Slotting Machine | metal slotting machines |
| 846,728 | Mar. 12, 1907 | W.A. Warman, R.B. Cochrane | Shaping Machine | metal shapers |
| 926,452 | Jun. 29, 1909 | H.M. Albee | Scroll-saw type machine using reciprocating knife | scrollsaws |
| 1,000,415 | Aug. 15, 1911 | G. Knaus | Machine for Cutting Metal Rolls | metal planers |
| 1,084,544 | Jan. 13, 1914 | B.M. Hanson | Shaper | metal slotting machines |
