| All Patents in class 33/628 |
Patents 1 -
15
of 21
      |
| Number | Date | Patentee | Title | Type |
| 318,526 | May 26, 1885 | F.H. Tidgewell, F. Waite | Taper Measuring Tool | measurement gauges |
| 493,807 | Mar. 21, 1893 | O.J. Beale | Lathe Attachment | metal lathe accessories |
| 624,535 | May 09, 1899 | H.W. Powel | Device for Gaging & Positioning Tools for Slide Rest Lathes | special purpose gauges |
| 630,536 | Aug. 08, 1899 | L.S. Heald, J.N. Heald | Drill-grinding machine | sharpening machines |
| 646,397 | Mar. 27, 1900 | W.H. Thorne, J.S. Bancroft | Grinding-Machine | tool grinders |
| 860,545 | Jul. 16, 1907 | J.E. Howell | Butt chisel | chisels |
| 985,041 | Feb. 21, 1911 | W. Lodge | Diameter Gage for Lathes | metal lathe accessories |
| 1,079,420 | Nov. 25, 1913 | S. MacKay | Method of Adjusting Rotary Cutters | sharpening machines |
| 1,127,525 | Feb. 09, 1915 | W. Runge | Micrometer gage or stop device for lathes | metal lathes |
| 1,430,874 | Oct. 03, 1922 | N.F. Anderson | Machine for Making Door Butt Mortises | mortising machines |
| 1,513,024 | Oct. 28, 1924 | H. Schumacher, E.L. Baumann | Reamer Head | |
| 1,687,649 | Oct. 16, 1928 | F.L. Gillett | Cutter Clearence Gauge | special purpose gauges |
| 2,105,962 | Jan. 18, 1938 | C.A. Bickel | Diameter Gauging Apparatus | metal lathe accessories |
| 2,330,692 | Sep. 28, 1943 | C.B. De Vlieg | Boring tool | boring bars |
| 2,468,039 | Apr. 26, 1949 | H.A. Hanson, W.M. Cochrane | Dressing Tool | grinder dressers |
