| All Patents in class 76/108.1 |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
 | 75,182 | Mar. 03, 1868 | J. Mix | Improvement in Manufacturing Gimlets |
 | 222,970 | Dec. 23, 1879 | L. Wenchel | Improvement in wood-molding machines |
| | 224,530 | Feb. 17, 1880 | W. Hasenzahl | Boring Tool for Stone Working |
| | 315,530 | Apr. 14, 1885 | S. Moore | Manufacture of Drills |
| | 492,733 | Feb. 28, 1893 | H. Meister | Chuck and Drill |
| | 574,980 | Jan. 12, 1897 | C. Bornet | Bit or Drill for Borers, &c., and Manufacture of Same |
| | 1,379,994 | May 31, 1921 | J.J. Kunzer | Method of Making Drills or the Like |
| | 1,379,995 | May 31, 1921 | J.J. Kunzer | Method of Making Drills or the Like |
 | 1,458,802 | Jun. 12, 1923 | G.W. Bufford | Tool Holder and Tool |
| | 1,536,736 | May 05, 1925 | A.W. Erdman, P.F. Vokal | Process of Making Milling Cutters |
