-
-
Duct forming machine
-
Patent number 5,186,704
-
Issue date Feb 16, 1993
-
Glass Master Corporation
-
Robert A. Cunningham
-
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
-
Corrugating apparatus and process
-
Patent number 4,252,591
-
Issue date Feb 24, 1981
-
Pall Corporation
-
David J. Rosenberg
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
3495505
-
Patent number 3,495,505
-
Issue date Feb 17, 1970
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
3482491
-
Patent number 3,482,491
-
Issue date Dec 9, 1969
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
3304844
-
Patent number 3,304,844
-
Issue date Feb 21, 1967
-
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
-
3195428
-
Patent number 3,195,428
-
Issue date Jul 20, 1965
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
2286529
-
Patent number 2,286,529
-
Issue date Jun 16, 1942
-
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
-
1693630
-
Patent number 1,693,630
-
Issue date Dec 4, 1928
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
1410745
-
Patent number 1,410,745
-
Issue date Mar 28, 1922
-
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD