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US2709549A
|
|
Laminated bag bottom
|
|
US2449164A
|
|
Packing of lettuce and package
|
|
US2537462A
|
|
Method of making automatic bottom bags
|
|
US2377005A
|
|
Automatic bottom bag and method of making same
|
|
US2336449A
|
|
Hermetically sealed bag
|
|
US2353402A
|
|
Method of making impervious bags
|
|
US2423237A
|
|
Method of heat sealing
|
|
US1947082A
|
|
Refrigeration mechanism
|
|
US1947083A
|
|
Container
|
|
US1678432A
|
|
Game device
|
|
US1668903A
|
|
Preserving vegetable produce
|
|
US1586898A
|
|
Method of freezing and transporting perishable food products
|
|
CA297413A
|
|
Device for preserving and transporting vegetables
|
