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All Patents of Type: blocks and wedges
Patents 1 - 5 of 5
First set of recordsLast set of records
3,527XMay 17, 1822J. ThomasBlocks and wedges for raising vessels and for other uses in ship buildingblocks and wedges
4,556XNov. 06, 1826J. ThomasImprovement called bilge levers for supporting shipsblocks and wedges
4,955XDec. 29, 1827F. SeymourCast iron shives for shippingblocks and wedges
5,989XMay 22, 1830R. KingsburyScrew cog for shives of ship blocksblocks and wedges
3,395,544Aug. 06, 1968J.O. Fisher, Sr.Block for Bracing Ships in Drydockblocks and wedges
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