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3087191
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Patent number 3,087,191
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Issue date Apr 30, 1963
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2338086
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Patent number 2,338,086
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Issue date Jan 4, 1944
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2314562
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Patent number 2,314,562
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Issue date Mar 23, 1943
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2250046
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Patent number 2,250,046
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Issue date Jul 22, 1941
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2241846
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Patent number 2,241,846
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Issue date May 13, 1941
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2233160
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Patent number 2,233,160
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Issue date Feb 25, 1941
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2229245
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Patent number 2,229,245
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Issue date Jan 21, 1941
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2225490
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Patent number 2,225,490
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Issue date Dec 17, 1940
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2213465
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Patent number 2,213,465
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Issue date Sep 3, 1940
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2205825
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Patent number 2,205,825
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Issue date Jun 25, 1940
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2194402
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Patent number 2,194,402
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Issue date Mar 19, 1940
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2190780
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Patent number 2,190,780
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Issue date Feb 20, 1940
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2161832
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Patent number 2,161,832
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Issue date Jun 13, 1939
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2148041
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Patent number 2,148,041
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Issue date Feb 21, 1939
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2026211
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Patent number 2,026,211
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Issue date Dec 31, 1935
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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2022743
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Patent number 2,022,743
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Issue date Dec 3, 1935
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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1949493
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Patent number 1,949,493
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Issue date Mar 6, 1934
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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1941933
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Patent number 1,941,933
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Issue date Jan 2, 1934
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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1913393
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Patent number 1,913,393
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Issue date Jun 13, 1933
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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1898053
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Patent number 1,898,053
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Issue date Feb 21, 1933
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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1888363
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Patent number 1,888,363
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Issue date Nov 22, 1932
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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1842852
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Patent number 1,842,852
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Issue date Jan 26, 1932
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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1814259
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Patent number 1,814,259
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Issue date Jul 14, 1931
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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1803713
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Patent number 1,803,713
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Issue date May 5, 1931
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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1778705
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Patent number 1,778,705
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Issue date Oct 14, 1930
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES