Patents for Thomas Frazer Carmichael |
Patents 1 -
8
of 8
|
Number | Date | Patentee | Title | Type |
2,632,121 | Mar. 17, 1953 | T.F. Carmichael | Vibratory electric motor and tool driven thereby | handheld power jigsaws |
2,634,404 | Apr. 07, 1953 | T.F. Carmichael | Phase indicator | |
2,634,559 | Apr. 14, 1953 | T.F. Carmichael | Vibratory electric motor and mechanism driven thereby | reciprocating or vibrating electric motors |
2,771,102 | Nov. 20, 1956 | T.F. Carmichael | Vibratory electric cutting tool | reciprocating or vibrating electric motors |
2,786,950 | Mar. 26, 1957 | T.F. Carmichael, E.G. Sturgeon | Vibratory power tool | handheld power sanders |
2,836,940 | Jun. 03, 1958 | T.F. Carmichael | Electromagnetic reciprocating tool motor and armature support therefor | handheld power jigsaws |
2,878,404 | Mar. 17, 1959 | T.F. Carmichael | Electromagnetic device | handheld power tools |
4,829,970 | May 16, 1989 | T.F. Carmichael | Ignition system | |