| All Patents in class 74/384 |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
 | 27,053 | Feb. 07, 1860 | A.D. Hoffman | Crosscut-sawing machine |
 | 553,124 | Jan. 14, 1896 | C.A. Meister | Angle Attachment for Dental Handpieces or other Attachment |
| | 663,013 | Dec. 04, 1900 | J.B. Clyne | Automatic Lathe Attachment |
 | 807,274 | Dec. 12, 1905 | I.H. Johnson, Jr. | Gearing for Lathes or Other Tools |
 | 1,170,097 | Feb. 01, 1916 | J. Parker | Speed changing and reversing mechanism |
| | 2,875,629 | Mar. 03, 1959 | J.E. Poorman | Adjustable Off-Center Drill Holder |
| | 3,220,276 | Nov. 30, 1965 | E.C. Bruns | Position Analog Unit for Automatic Controls |
