All Patents of Type: time registers |
Patents 1 -
7
of 7
|
Number | Date | Patentee | Title | Type |
870,900 | Nov. 12, 1907 | C.A. Palmgren, A.H. Young | Time-controlled circuit-closing device | time registers |
1,063,272 | Jun. 03, 1913 | H.B. McCabe | Time Recording Register | time registers |
1,074,813 | Oct. 07, 1913 | C.A. Palmgren | Time-controlled circuit-closing device | time registers |
1,117,213 | Nov. 17, 1914 | H.B. McCabe | Time Controlled Electric Switch and Recording Register | time registers |
1,129,996 | Mar. 02, 1915 | H.B. McCabe | Time Controlled Switch Mechanism for Electric Circuits | time registers |
1,397,895 | Nov. 22, 1921 | H.B. McCabe | Ribbon Reversing Mechanism for Time Recording Registers | time registers |
1,403,044 | Jan. 10, 1922 | H.B. McCabe | Time Recording Register | time registers |