| Patents for Carl A. Palmgren |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
 | 870,900 | Nov. 12, 1907 | C.A. Palmgren, A.H. Young | Time-controlled circuit-closing device |
 | 919,066 | Apr. 20, 1909 | C.A. Palmgren | Relay device for electric circuits |
 | 1,041,338 | Oct. 15, 1912 | C.A. Palmgren | Drill and chuck |
 | 1,067,541 | Jul. 15, 1913 | C.A. Palmgren | Stapling device |
 | 1,074,813 | Oct. 07, 1913 | C.A. Palmgren | Time-controlled circuit-closing device |
 | 1,158,832 | Nov. 02, 1915 | C.A. Palmgren | Dog |
 | 1,173,460 | Feb. 29, 1916 | C.A. Palmgren | Electric switch |
 | 1,268,143 | Jun. 04, 1918 | C.A. Palmgren | Filing device |
 | 1,288,154 | Dec. 17, 1918 | C.A. Palmgren | Drill-chuck |
 | 1,425,213 | Aug. 08, 1922 | C.A. Palmgren | Drill chuck |
