-
-
-
-
-
-
-
-
-
-
3464573
-
Patent number 3,464,573
-
Issue date Sep 2, 1969
-
F27 - FURNACES KILNS OVENS RETORTS
-
3052143
-
Patent number 3,052,143
-
Issue date Sep 4, 1962
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
-
2000273
-
Patent number 2,000,273
-
Issue date May 7, 1935
-
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
-
1951092
-
Patent number 1,951,092
-
Issue date Mar 13, 1934
-
F27 - FURNACES KILNS OVENS RETORTS
-
1859359
-
Patent number 1,859,359
-
Issue date May 24, 1932
-
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...