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1907382
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Information
Patent Grant
1907382
References
Source
Patent Number
1,907,382
Date Filed
Not available
Date Issued
Tuesday, May 2, 1933
91 years ago
CPC
A63F9/10 - Two-dimensional jig-saw puzzles
A63F2009/1005 - with images on both sides
US Classifications
273 - Amusement devices: games
380 - Cryptography
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