-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
3595724
-
Patent number 3,595,724
-
Issue date Jul 27, 1971
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
1819989
-
Patent number 1,819,989
-
Issue date Aug 18, 1931
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
1661449
-
Patent number 1,661,449
-
Issue date Mar 6, 1928
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
1553673
-
Patent number 1,553,673
-
Issue date Sep 15, 1925
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
1418653
-
Patent number 1,418,653
-
Issue date Jun 6, 1922
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
1327910
-
Patent number 1,327,910
-
Issue date Jan 13, 1920
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL