| All Patents in class 74/70 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 9,009X | Aug. 17, 1835 | C. Angevine | Churn | churns |
| 751,484 | Feb. 09, 1904 | C.A. Eck | Fan | fans |
| 942,222 | Dec. 07, 1909 | I.C. Smith | Valve Grinder | valve grinding tools |
| 956,822 | May 03, 1910 | M.F. Parsons | Grinding Tool | valve grinding tools |
| 959,653 | May 31, 1910 | E.E. Townsend | Valve-seat grinder | vehicle mechanic |
| 996,435 | Jun. 27, 1911 | E.E. Townsend | Valve-grinder | vehicle mechanic |
| 1,250,512 | Dec. 18, 1917 | J.B. Rose | Valve-Grinding Tool | valve grinding tools |
| 1,372,045 | Mar. 22, 1921 | R.G. Sedgewick | Valve grinder | handheld power tools |
| 1,564,017 | Dec. 01, 1925 | J.C. Pewther | Valve Grinder | valve grinding tools |
