| All Patents in class 81/3.7 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 65,220 | May 28, 1867 | G. Hall, A. Heth | Improvements in clutch for suspending hay-fork from rafters | |
| 1,084,181 | Jan. 13, 1914 | G.F. Voight | Lubricating Device for Springs | leaf spring spreaders and lubricators |
| 1,108,111 | Aug. 18, 1914 | C.F. Adamson | Spreader For the Leaves of Springs | leaf spring spreaders and lubricators |
| 1,142,280 | Jun. 08, 1915 | F. Knowlson, J.H. Stevenson | Leaf Separator for Springs | leaf spring spreaders and lubricators |
| 1,201,324 | Oct. 17, 1916 | C.W. Manzel | Leaf Spring Lubricating Tool | lubricating accessories |
| 1,234,838 | Jul. 31, 1917 | A.F. Weise | Leaf Spring Spreader | leaf spring spreaders and lubricators |
| 1,242,392 | Oct. 09, 1917 | K. Underwood | Tool | leaf spring spreaders and lubricators |
| 1,283,956 | Nov. 05, 1918 | F. Stutzman | Tool for spreading leaf-springs | leaf spring spreaders and lubricators |
| 1,286,398 | Dec. 03, 1918 | D.W. Onan | Oiling Device | leaf spring spreaders and lubricators |
| 1,351,272 | Aug. 31, 1920 | L.E. Wood | Spring Leaf Spreader and Lubricator | leaf spring spreaders and lubricators |
| 1,578,699 | Mar. 30, 1926 | R.W. Ammons | Leaf-Spring Lubricator | leaf spring spreaders and lubricators |
| 2,120,031 | Jun. 07, 1938 | H.B. McElrath | Lubricating Device | leaf spring spreaders and lubricators |
