Patents Granted on 1922-07-04 |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
1,421,485 | Jul. 04, 1922 | E.E. Jones | Cone belt shifter | industrial machine pulleys and belt drive mechanisms |
1,421,486 | Jul. 04, 1922 | E.R. Jones | Operating Device For Valve Grinders | valve grinding tools |
1,421,834 | Jul. 04, 1922 | J. Ross | Differential | internal combustion traction engines |
1,421,921 | Jul. 04, 1922 | C.F. Doerr | Rotary Glass Cutter | glass cutters |
1,421,928 | Jul. 04, 1922 | J.C. Fitzgerald | Drill | drill presses |
1,422,058 | Jul. 04, 1922 | V. Hovanec | Tool Holder | drilling and boring tool holders |