| Patents for H. F. Riley |
Patents 46 -
52
of 52
      |
| Number | Date | Patentee | Title | Type |
| 769,908 | Sep. 13, 1904 | C.E. Lamb | Calipers | calipers |
| 793,796 | Jul. 04, 1905 | E.S. Mummert | Saw Attachment for Bench Vise | circular saws |
| 857,991 | Jun. 25, 1907 | W.A. Gibson | Combined Level and Plumb | inclinometers |
| 987,589 | Mar. 21, 1911 | E.S. Mummert | Grinding Machine for Sharpening Edged Tools | sharpening machines |
| 1,092,695 | Apr. 07, 1914 | H. Flowers, I. Cunningham | Wrench | quick adjust wrenches |
| 1,167,275 | Jan. 04, 1916 | I. Cunningham | Wrench | quick adjust wrenches |
| 1,269,438 | Jun. 11, 1918 | A.H. Hieatzman | Grease Gun | grease guns |
