Toy building brick
United States Patent 2800743
US Patent References:
/1245440.html
- - 1245440

/1286462.html
- - 1286462

Building blocks
- - 1898297

Construction toy
- - 2406759


Inventors:
Leonard, Meehan Clarence
Douglas, Patterson
Publication Date:
07/30/1957
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Assignee:
Edward, Renouf R.
Leslie, Chambers G.
Primary Class:
446/127
International Classes:
A63H33/08; A63H33/04