All Patents in class 408 |
Patents 2341 -
2355
of 3520
|
Number | Date | Patentee | Title | Type |
1,563,108 | Nov. 24, 1925 | A.J. Prance | Thread-cutting die | tapping heads and chucks |
1,564,460 | Dec. 08, 1925 | F.L. Young | Drill | handheld power drills |
1,571,620 | Feb. 02, 1926 | F.M. Bettes | Drill holder | handheld power drills |
1,571,893 | Feb. 02, 1926 | R.L. Rickwood, D.C. Klausmeyer | Radial Drill Column Clamp | radial drill presses |
1,573,551 | Feb. 16, 1926 | D.C. Klausmeyer | Peep Hole for Threads | radial drill presses |
1,573,552 | Feb. 16, 1926 | D.C. Klausmeyer | Column Binder Control Linkage | radial drill presses |
1,574,727 | Feb. 23, 1926 | E.P. Bullard, Jr. | Multiple-Spindle Continuous-Drilling Tool | vertical boring mills |
1,575,953 | Mar. 09, 1926 | P. Toorks | Attachment for drilling machines | handheld power tool accessories |
1,576,652 | Mar. 16, 1926 | L.S. Hall | Pipe Threading Machine | pipe threading machines |
1,580,094 | Apr. 06, 1926 | A. White | Tool-operating machine | mortising machines |
1,583,561 | May 04, 1926 | L.L. Schauer | Continuous Strap for Guarding Shafts | radial drill presses |
1,583,786 | May 11, 1926 | A.F. Froussard | Cylinder Boring Machine | portable metal drilling machines |
1,584,071 | May 11, 1926 | G.A. Arnold | Drill supporting and feeding apparatus | handheld power drills |
1,586,559 | Jun. 01, 1926 | L.K. Laursen | Countersink | countersinks |
1,588,972 | Jun. 15, 1926 | M. Machacek | Hydraulic feeding mechanism for mortising machines | mortising machines |