Patents Granted on 1930-03-25 |
Patents 1 -
8
of 8
|
Number | Date | Patentee | Title | Type |
RE17,628 | Mar. 25, 1930 | W.L. Evans | Device for making ring joint | specialty woodworking machines |
1,751,472 | Mar. 25, 1930 | A.A. Criqui | Drying process and apparatus | |
1,751,559 | Mar. 25, 1930 | T. Schou | Method of standardizing the manufacture of dynamo-electric machines | electric motor making |
1,751,657 | Mar. 25, 1930 | N.F. McNaught, E.H. Peterson | Operating mechanism for valve grinders | |
1,751,781 | Mar. 25, 1930 | T.C. Weiss | Motor driven tools switch | handheld power drills |
1,751,787 | Mar. 25, 1930 | H.D. Binks | Flat spraying appliance | |
1,752,074 | Mar. 25, 1930 | G.R. Gagne | Spanner Wrench For Toothed Nuts | wrenches |
1,752,112 | Mar. 25, 1930 | R.O. Stetson, C.D. Severance | Spirit level | levels |