All Patents in class 408 |
Patents 2371 -
2385
of 3497
|
Number | Date | Patentee | Title | Type |
1,658,808 | Feb. 14, 1928 | V. Julien, D.C. Klausmeyer | Drill Column with Coaxial Power Line | metalworking machine mechanisms |
1,659,304 | Feb. 14, 1928 | R.L. Rickwood, O.E. Schauer | Split Sleeve Frictional Reverser | metalworking power transmission |
1,659,386 | Feb. 14, 1928 | J.J. Van Hamersveld | Tool Holder for Machine Tools | lathe tool holders and tool posts |
1,659,978 | Feb. 21, 1928 | D.C. Klausmeyer | Telescopic Guard System for Drills | drill press accessories |
1,660,137 | Feb. 21, 1928 | A.M. Sosa, A.E. Robinson | Drilling Machine | radial drill presses |
1,660,361 | Feb. 28, 1928 | O. Severson | Boring Head | boring heads |
1,660,385 | Feb. 28, 1928 | D.C. Klausmeyer | Strap Guarded Radial Dill | drill press accessories |
1,660,386 | Feb. 28, 1928 | D.C. Klausmeyer | Head to Arm Clamping Mechanism | metalworking machine mechanisms |
1,660,435 | Feb. 28, 1928 | C.C. Craley | Metal Working Machinery | drill press accessories |
1,660,477 | Feb. 28, 1928 | C.M. Conradson | Radial Drilling Machine | radial drill presses |
1,662,936 | Mar. 20, 1928 | R. Phillipp | Chamfering Device | pipe deburring tools |
1,664,888 | Apr. 03, 1928 | D.C. Klausmeyer | Nested Control for Both Clamp and Speeds | metalworking machine mechanisms |
1,664,889 | Apr. 03, 1928 | D.C. Klausmeyer | Detachable Gear Unit | metalworking machine gearing |
1,667,218 | Apr. 24, 1928 | T.S. Purnis | Tool for planing valve seats | valve and seat maintenance |
1,668,647 | May 08, 1928 | A.M. Johnson | Feed mechanism for drilling machines | drill presses |