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| Patents for Motor Specialties Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,174,572 | Mar. 07, 1916 | F.C. Hersee | Valve Grinder | valve grinding tools | |
| 1,236,826 | Aug. 14, 1917 | R.A. Durland | Valve Spring Compressor | valve spring tools | |
| 1,257,003 | Feb. 19, 1918 | H.S. Hoyt | Nut Or Bolt Holder | socket wrenches | |