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Protective window screen assembly
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Patent number 4,232,310
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Issue date Nov 4, 1980
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Imperial Screen Company, Inc.
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Clarence P. Wilson
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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1974779
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Patent number 1,974,779
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Issue date Sep 25, 1934
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G08 - SIGNALLING
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1824663
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Patent number 1,824,663
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Issue date Sep 22, 1931
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G08 - SIGNALLING
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1804663
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Patent number 1,804,663
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Issue date May 12, 1931
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B61 - RAILWAYS
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1754360
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Patent number 1,754,360
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Issue date Apr 15, 1930
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B60 - VEHICLES IN GENERAL
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1452500
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Patent number 1,452,500
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Issue date Apr 24, 1923
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G08 - SIGNALLING
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1252834
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Patent number 1,252,834
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Issue date Jan 8, 1918
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G08 - SIGNALLING
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1236381
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Patent number 1,236,381
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Issue date Aug 7, 1917
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B60 - VEHICLES IN GENERAL
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1099480
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Patent number 1,099,480
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Issue date Jun 9, 1914
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B32 - LAYERED PRODUCTS
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1096526
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Patent number 1,096,526
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Issue date May 12, 1914
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B60 - VEHICLES IN GENERAL
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1081884
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Patent number 1,081,884
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Issue date Dec 16, 1913
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H01 - BASIC ELECTRIC ELEMENTS
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1060516
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Patent number 1,060,516
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Issue date Apr 29, 1913
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H01 - BASIC ELECTRIC ELEMENTS
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1003234
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Patent number 1,003,234
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Issue date Sep 12, 1911
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G08 - SIGNALLING
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976154
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Patent number 976,154
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Issue date Nov 22, 1910
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H01 - BASIC ELECTRIC ELEMENTS
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943368
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Patent number 943,368
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Issue date Dec 14, 1909
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G08 - SIGNALLING
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934626
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Patent number 934,626
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Issue date Sep 21, 1909
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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934108
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Patent number 934,108
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Issue date Sep 14, 1909
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G08 - SIGNALLING
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920123
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Patent number 920,123
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Issue date May 4, 1909
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G08 - SIGNALLING
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880020
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Patent number 880,020
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Issue date Feb 25, 1908
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G08 - SIGNALLING
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873935
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Patent number 873,935
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Issue date Dec 17, 1907
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H01 - BASIC ELECTRIC ELEMENTS
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695049
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Patent number 695,049
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Issue date Mar 11, 1902
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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627006
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Patent number 627,006
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Issue date Jun 13, 1899
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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607877
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Patent number 607,877
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Issue date Jul 26, 1898
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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545835
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Patent number 545,835
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Issue date Sep 3, 1895
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G08 - SIGNALLING
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530975
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Patent number 530,975
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Issue date Dec 18, 1894
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G08 - SIGNALLING
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507869
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Patent number 507,869
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Issue date Oct 31, 1893
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G08 - SIGNALLING
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480100
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Patent number 480,100
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Issue date Aug 2, 1892
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G08 - SIGNALLING
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342709
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Patent number 342,709
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Issue date May 25, 1886
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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292807
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Patent number 292,807
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Issue date Feb 5, 1884
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G08 - SIGNALLING