-
3793112
-
Patent number 3,793,112
-
Issue date Feb 19, 1974
-
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
-
2192264
-
Patent number 2,192,264
-
Issue date Mar 5, 1940
-
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL