Tools and hardware – Other tools and implements
patent: 471221 (1892-03-01), Moores
patent: 666666 (1901-01-01), Hackett
patent: 2151846 (1939-03-01), Greneker
patent: 2509837 (1950-05-01), Niizawa
patent: 2585641 (1952-02-01), Faso
patent: 4177698 (1979-12-01), Greneker
Burdick Glen M.
Dunkins Bruce W.
Heflin Clare E.
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