Patents for Leonard C. Pratt |
Patents 1 -
7
of 7
|
Number | Date | Patentee | Title | Type |
2,693,541 | Nov. 02, 1954 | L.C. Pratt | Portable electric motor for hand drills | handheld power drills |
2,808,082 | Oct. 01, 1957 | W. Moretti, L.C. Pratt | Portable power free end jig saw | handheld power jigsaws |
2,867,251 | Jan. 06, 1959 | W. Moretti, L.C. Pratt | Router depth adjustment means | handheld routers |
3,121,813 | Feb. 18, 1964 | L.C. Pratt, J.G. Raymond | Electric power unit | handheld power drills |
3,344,291 | Sep. 26, 1967 | L.C. Pratt | Double insulated hand tool | handheld power tools |
3,440,465 | Apr. 22, 1969 | L.C. Pratt, J.R. Provost, Jr., J.A. De Carteret | Reversing mechanism for electric motors | handheld power tools |
3,471,731 | Oct. 07, 1969 | R.M. Pierce, L.C. Pratt | Armature | electric motors |