| Patents for Master Electric Co. |
Patents 1 -
10
of 35
      |
| Picture | Number | Date | Patentee | Title |
| | 1,640,900 | Aug. 30, 1927 | E.P. Larsh | Short circuiter |
 | 1,678,517 | Jul. 24, 1928 | E.P. Larsh | Short circuiting device for motor commutators |
| | 1,685,549 | Sep. 25, 1928 | E.P. Larsh | Short circuiter |
| | 1,699,792 | Jan. 22, 1929 | E.P. Larsh | Quick-acting switch |
| | 1,723,360 | Aug. 06, 1929 | E.P. Larsh | Pump |
| | 1,735,579 | Nov. 12, 1929 | E.P. Larsh | Short-circuiting device for motor commutators |
| | 1,779,006 | Oct. 21, 1930 | E.P. Larsh | Short circuiter |
| | 1,792,645 | Feb. 17, 1931 | E.P. Larsh | Armature bearing for electric motors |
 | RE18,093 | Jun. 09, 1931 | E.P. Larsh | Short circuiting device for motor commutators |
| | 1,895,288 | Jan. 24, 1933 | E.P. Larsh | Bearing mounting |
