| All Patents of Type: jack screws |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 18,592 | Nov. 10, 1857 | L.J. Knowles | Lifting Jack | jack screws |
| 21,342 | Aug. 31, 1858 | J.C. Jackson | Lifting Jack | lifting tools |
| 198,292 | Dec. 18, 1877 | W. Guthrie | Jack Screw | jack screws |
| 270,394 | Jan. 09, 1883 | L.J. Crecelius | Lifting Jack | jack screws |
| 292,725 | Jan. 29, 1884 | S.J. Wisdom | Jack | jack screws |
| 364,373 | Jun. 07, 1887 | M. Reisch | Jack Screw | jack screws |
| 390,605 | Oct. 02, 1888 | J.O. Joyce | Screw Jack | jack screws |
| 681,029 | Aug. 20, 1901 | W.R. Moore | Lifting Jack | lifting tools |
| 878,522 | Feb. 11, 1908 | F.L. Gormley | Lifting Jack | jack screws |
| 924,692 | Jun. 15, 1909 | H.A. Schatz | Lifting Jack | jack screws |
| 1,272,589 | Jul. 16, 1918 | W.A. Whitney | Ball Bearing Jack | jack screws |
| 1,395,945 | Nov. 01, 1921 | A.E. Clements | Combined Jack and Puller | jack screws |
| 1,417,254 | May 23, 1922 | D.C. Klausmeyer | Safety Lifting Jack | jack screws |
| 1,810,884 | Jun. 16, 1931 | E.O. Minor | Machine for Removing and Replacing Wrist Pins | jack screws |
