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Metal extension planks
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Patent number 4,768,620
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Issue date Sep 6, 1988
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White Metal Rolling & Stamping Corp.
-
Robert E. South
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E04 - BUILDING
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Safety stepladders
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Patent number 4,332,308
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Issue date Jun 1, 1982
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White Metal Rolling & Stamping Corp.
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Clayton E. Larson
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Extension ladders with rotary hook locks
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Patent number 4,266,631
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Issue date May 12, 1981
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White Metal Rolling & Stamping Corp.
-
Clayton E. Larson
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Extension ladders
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Patent number 4,222,460
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Issue date Sep 16, 1980
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White Metal Rolling & Stamping Corp.
-
Clayton E. Larson
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Ladder constructions
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Patent number 4,204,587
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Issue date May 27, 1980
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White Metal Rolling & Stamping Corp.
-
Clayton E. Larson
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E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Stepladders
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Patent number 4,187,928
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Issue date Feb 12, 1980
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White Metal Rolling & Stamping Corp.
-
Clayton E. Larson
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
-
-
Stepladders
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Patent number 4,079,814
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Issue date Mar 21, 1978
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White Metal Rolling & Stamping Corporation
-
Clayton E. Larson
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
-
-
Stability stepladders
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Patent number 4,011,926
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Issue date Mar 15, 1977
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White Metal Rolling & Stamping Corporation
-
Clayton E. Larson
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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Extension ladder with ladder leveler means
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Patent number 3,948,352
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Issue date Apr 6, 1976
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White Metal Rolling & Stamping Corporation
-
Clayton E. Larson
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
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73402194 - ENDURALIGHT
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Serial number 73402194
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Registration number 1266149
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Filing date Nov 10, 1982
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White Metal Rolling & Stamping Corp.
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6 - Common metals and their alloys
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73018079 - EASYLIGHT
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Serial number 73018079
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Registration number 999539
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Filing date Apr 5, 1974
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WHITE METAL ROLLING & STAMPING CORP.
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6 - Common metals and their alloys
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73018080 - STURDYLIGHT
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Serial number 73018080
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Registration number 999540
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Filing date Apr 5, 1974
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WHITE METAL ROLLING & STAMPING CORP.
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6 - Common metals and their alloys
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73018083 - SAFELIGHT
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Serial number 73018083
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Registration number 999541
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Filing date Apr 5, 1974
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WHITE METAL ROLLING & STAMPING CORP.
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6 - Common metals and their alloys
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73018081 - STURDYLIGHT
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Serial number 73018081
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Registration number 1015148
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Filing date Apr 5, 1974
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WHITE METAL ROLLING & STAMPING CORP.
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7 - Machines and machine tools
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73018082 - STARLIGHT
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Serial number 73018082
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Registration number 1002573
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Filing date Apr 5, 1974
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WHITE METAL ROLLING & STAMPING CORP.
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6 - Common metals and their alloys
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73018008 - SUPERLIGHT
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Serial number 73018008
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Registration number 1012823
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Filing date Apr 5, 1974
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WHITE METAL ROLLING & STAMPING CORP.
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8 - Hand tools and implements (hand-operated)
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72271396 - WONDERLIGHT
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Serial number 72271396
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Registration number 852026
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Filing date May 12, 1967
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WHITE METAL ROLLING & STAMPING CORP.
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6 - Common metals and their alloys
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72211784 - EXCELIGHT
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Serial number 72211784
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Registration number 813134
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Filing date Feb 10, 1965
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WHITE METAL ROLLING & STAMPING CORPORATION
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6 - Common metals and their alloys
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72136091 - MAGGIE
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Serial number 72136091
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Registration number 742873
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Filing date Jan 18, 1962
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WHITE METAL ROLLING & STAMPING CORP.
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6 - Common metals and their alloys
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72073293 - WHITELIGHT
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Serial number 72073293
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Registration number 690425
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Filing date May 8, 1959
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WHITE METAL ROLLING & STAMPING CORP.
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6 - Common metals and their alloys
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72066129 - HEARTSAVER
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Serial number 72066129
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Registration number 689625
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Filing date Jan 19, 1959
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WHITE METAL ROLLING & STAMPING CORP.
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6 - Common metals and their alloys
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72066130 - SUPERLIGHT
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Serial number 72066130
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Registration number 689232
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Filing date Jan 19, 1959
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WHITE METAL ROLLING & STAMPING CORP.
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6 - Common metals and their alloys