| Patents Granted on 1867-05-21 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 64,835 | May 21, 1867 | B.N. Butcher | Improvement in Saw Sets | saw sets |
| 64,849 | May 21, 1867 | W.H. Doane, G.V. Orton, W.E. London | Improvement in planing machines | molders |
| 64,904 | May 21, 1867 | A. Cornish, B. Perry | Improved Bolt-Holder or Wrench | pliers type wrenches |
| 64,915 | May 21, 1867 | H.F. Shaw | Improvement in Hoisting Gear | hoists, winches, come-alongs |
| 64,931 | May 21, 1867 | C.H. Amidon | Bit-brace | brace chucks |
| 64,932 | May 21, 1867 | C.H. Amidon | Improved Clothes Wringer | |
| 64,938 | May 21, 1867 | W.B. Bement | Turning Lathe | metal lathes |
| 64,953 | May 21, 1867 | C. Disston | Improvement in saws | saw teeth |
| 64,954 | May 21, 1867 | H. Disston | Improved Process of Treating Steel Blades | tool making machines |
| 64,956 | May 21, 1867 | I. Dreyfus | Improvement in automatic lubricators | oil cups |
| 64,977 | May 21, 1867 | B. Holly | Water Wheel | water wheels |
| 65,001 | May 21, 1867 | E.R. Osgood | Improvement in shingle machines | shingle machines |
