| All Patents in class 408/110 |
Patents 16 -
27
of 27
      |
| Number | Date | Patentee | Title | Type |
| 925,181 | Jun. 15, 1909 | L.F. Hart | Screw Cutting Device | tap and die holders |
| 942,389 | Dec. 07, 1909 | G.D. Wiggins | Horizontal boring and mortising machine | mortising machines |
| 1,749,514 | Mar. 04, 1930 | J.Y. Scott | Valve-reseating apparatus | valve and seat maintenance |
| 2,299,267 | Oct. 20, 1942 | S.L. Fisher | Tool Holder for Surgical Instruments | surgeon |
| 2,391,398 | Dec. 25, 1945 | C.B. De Vlieg | Horizontal boring machine | horizontal boring mills |
| 2,416,782 | Mar. 04, 1947 | P. Valish | Adjustable V Block | V blocks |
| 2,823,563 | Feb. 18, 1958 | W. Nipken | Depth control attachment for a drill or the like | drilling and boring |
| 2,888,965 | Jun. 02, 1959 | C.A. Phillips | Mountings for a portable electric motor | handheld power drill guides |
| 2,997,900 | Aug. 29, 1961 | L.E. Pugsley | Multipurpose tool fixture | handheld power drill guides |
| 3,217,567 | Nov. 16, 1965 | E.P. Bullard, III, E.P. Bullard, IV | Horizontal Boring Mill | |
| 3,874,810 | Apr. 01, 1975 | W.D. Russell | Drill guide | drilling and boring |
| 5,795,110 | Aug. 18, 1998 | J. Wirth, Jr., J.L. Sanger, M.K. McCool | No mar depth stop | drill depth stops |
