| All Patents in class 403/343 |
Patents 1 -
10
of 16
      |
| Picture | Number | Date | Patentee | Title |
 | 64,292 | Apr. 30, 1867 | J.W. Douglas | Improvement in hose-couplings |
 | 169,486 | Nov. 02, 1875 | A.O. Sehorn | Improvement in Vises |
 | 208,256 | Sep. 24, 1878 | W. Millspaugh | Improvement in Tool Handles (file type) |
 | 534,164 | Feb. 12, 1895 | M.F. Larsh | Hand Screw-Clamp |
 | 554,166 | Feb. 04, 1896 | S.M. West, H.C. Atkinson | Hydrant |
| | 1,253,149 | Jan. 08, 1918 | W. Childers | Drilling Tool Joint |
 | 1,458,802 | Jun. 12, 1923 | G.W. Bufford | Tool Holder and Tool |
 | 1,568,295 | Jan. 05, 1926 | J.A. Schleicher | Locking device for depth gauge micrometers |
 | 1,568,296 | Jan. 05, 1926 | J.A. Schleicher | Spindle clamping device |
 | 1,635,259 | Jul. 12, 1927 | J.V. Critchley | Cylinder Head Lifting Tool |
