All Patents in class 254/100 |
Patents 1 -
10
of 14
      |
Picture | Number | Date | Patentee | Title |
| 18,592 | Nov. 10, 1857 | L.J. Knowles | Lifting Jack |
 | 123,791 | Feb. 20, 1872 | W.H. Hull, C. Paxton | Improvement in Leveling Jacks for Billiard Tables |
| 154,961 | Sep. 15, 1874 | N. Schwagel | Lifting Jacks |
 | 215,357 | May 13, 1879 | E. Henderer | Improvement in bung-extractors |
 | 356,816 | Feb. 01, 1887 | P. Bacher | Billiard Table Leveler |
| 407,559 | Jul. 23, 1889 | A.R. Wells | Hoop Clamp |
 | 1,050,746 | Jan. 14, 1913 | B. Morgan | Hand Tool |
 | 2,043,479 | Jun. 09, 1936 | G.H. Grieman | Lifting jack |
| 2,093,284 | Sep. 14, 1937 | S. Mandl | Work Engagement Means for Jacks |
| 2,270,014 | Jan. 13, 1942 | G.M. Walraven | Body Jack Attachment |