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2951549
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Patent number 2,951,549
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Issue date Sep 6, 1960
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2933150
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Patent number 2,933,150
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Issue date Apr 19, 1960
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2308175
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Patent number 2,308,175
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Issue date Jan 12, 1943
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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2074557
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Patent number 2,074,557
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Issue date Mar 23, 1937
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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1582794
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Patent number 1,582,794
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Issue date Apr 27, 1926
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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1582793
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Patent number 1,582,793
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Issue date Apr 27, 1926
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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1478793
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Patent number 1,478,793
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Issue date Dec 25, 1923
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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1271391
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Patent number 1,271,391
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Issue date Jul 2, 1918
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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1067002
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Patent number 1,067,002
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Issue date Jul 8, 1913
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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949529
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Patent number 949,529
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Issue date Feb 15, 1910
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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829694
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Patent number 829,694
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Issue date Aug 28, 1906
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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719364
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Patent number 719,364
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Issue date Jan 27, 1903
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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709402
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Patent number 709,402
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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693533
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Patent number 693,533
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Issue date Feb 18, 1902
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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597369
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Patent number 597,369
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Issue date Jan 11, 1898
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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524495
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Patent number 524,495
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Issue date Aug 14, 1894
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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261874
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Patent number 261,874
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Issue date Aug 1, 1882
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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242114
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Patent number 242,114
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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238460
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Patent number 238,460
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Issue date Mar 1, 1881
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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228647
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Patent number 228,647
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Issue date Jun 8, 1880
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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219749
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Patent number 219,749
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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205511
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Patent number 205,511
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Issue date Jul 2, 1878
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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193960
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Patent number 193,960
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Issue date Aug 7, 1877
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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188312
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Patent number 188,312
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Issue date Mar 13, 1877
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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182660
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Patent number 182,660
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Issue date Sep 26, 1876
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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175922
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Patent number 175,922
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Issue date Apr 11, 1876
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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170846
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Patent number 170,846
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Issue date Dec 7, 1875
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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145867
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Patent number 145,867
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Issue date Dec 23, 1873
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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143462
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Patent number 143,462
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Issue date Oct 7, 1873
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS