All Patents of Type: blocks and wedges |
Patents 1 -
5
of 5
|
Number | Date | Patentee | Title | Type |
3,527X | May 17, 1822 | J. Thomas | Blocks and wedges for raising vessels and for other uses in ship building | blocks and wedges |
4,556X | Nov. 06, 1826 | J. Thomas | Improvement called bilge levers for supporting ships | blocks and wedges |
4,955X | Dec. 29, 1827 | F. Seymour | Cast iron shives for shipping | blocks and wedges |
5,989X | May 22, 1830 | R. Kingsbury | Screw cog for shives of ship blocks | blocks and wedges |
3,395,544 | Aug. 06, 1968 | J.O. Fisher, Sr. | Block for Bracing Ships in Drydock | blocks and wedges |