| Patents for Louis Allis Co. |
Patents 1 -
10
of 22
      |
| Picture | Number | Date | Patentee | Title |
 | CA-254,413 | Oct. 06, 1925 | J.M. Barr | Speed controller |
 | CA-275,069 | Nov. 01, 1927 | T.S. Watson | Motor-controlling device |
 | CA-284,793 | Nov. 13, 1928 | H.L. Smith | Explosion proof motor |
 | 2,017,255 | Oct. 15, 1935 | C.F. Norton | Electric motor |
 | D151,308 | Oct. 05, 1948 | T.R. Wieseman, R.I. Robinson | Design for an electric motor |
 | 2,500,971 | Mar. 21, 1950 | T.R. Wieseman, R.I. Robinson, F.J. Rathbun | Sanitary motor construction |
 | 2,592,070 | Apr. 08, 1952 | R.I. Robinson | Vertical sanitary motor |
 | 2,613,240 | Oct. 07, 1952 | R.I. Robinson | Means for cooling heavy duty motors |
 | CA-487,182 | Oct. 14, 1952 | T.R. Wieseman, R.I. Robinson, F.J. Rathbun | Sanitary motor construction |
 | D172,769 | Aug. 03, 1954 | C.W. Sundberg | Electric motor |
