-
-
-
-
-
Fire resistant door
-
Patent number 4,397,116
-
Issue date Aug 9, 1983
-
Schuco Heinz Schurmann GmbH & Co.
-
Siegfried Habicht
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
-
3916503
-
Patent number 3,916,503
-
Issue date Nov 4, 1975
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
-
3488906
-
Patent number 3,488,906
-
Issue date Jan 13, 1970
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
-
3466826
-
Patent number 3,466,826
-
Issue date Sep 16, 1969
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
-
2654920
-
Patent number 2,654,920
-
Issue date Oct 13, 1953
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
-
2654452
-
Patent number 2,654,452
-
Issue date Oct 6, 1953
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
-
2643744
-
Patent number 2,643,744
-
Issue date Jun 30, 1953
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
-
2599811
-
Patent number 2,599,811
-
Issue date Jun 10, 1952
-
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS