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| Patents for Joel R. Cook | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,261,102 | Apr. 02, 1918 | J.R. Cook | Centrifugal switch | |
 | 1,292,714 | Jan. 28, 1919 | J.R. Cook | Electric motor-switch | |
 | 1,325,232 | Dec. 16, 1919 | J.R. Cook | Electric-motor casing | |
 | 1,535,766 | Apr. 28, 1925 | J.R. Cook | Centrifugal motor switch | |
| 1,781,441 | Nov. 11, 1930 | J.R. Cook | Electric switch | ||