| All Patents in class 408/97 |
Patents 1 -
10
of 23
      |
| Picture | Number | Date | Patentee | Title |
 | 184,686 | Nov. 21, 1876 | J. Miller | Machines for Tapping Pipes Under Pressure |
 | 437,047 | Sep. 23, 1890 | J.N. Sargent | Vise |
| | 468,031 | Feb. 02, 1892 | J.W. Ramsey | Saw Gummer |
| | 517,023 | Mar. 27, 1894 | T.I. Brown | Metal Tapping or Drilling Machine |
| | 810,319 | Jan. 16, 1906 | R. Blazej | V Block |
 | 875,328 | Dec. 31, 1907 | D.S. Courtney | Woodworking-machine |
 | 907,735 | Dec. 29, 1908 | C.C. Cain, Jr. | Drill-jig |
| | 966,816 | Aug. 09, 1910 | F. Fischer | Boring machine |
| | 1,119,470 | Dec. 01, 1914 | H.B. Swantusch | V Block |
| | 1,292,620 | Jan. 28, 1919 | J.M. Luers | Center Drilling Jig |
