|
US2293674A
|
|
Strip punching machine
|
|
US2209407A
|
|
Strip punching machine
|
|
US2205484A
|
|
Extension hinge
|
|
US2288095A
|
|
Method and apparatus for producing bound batts
|
|
GB496629A
|
|
Insulated refrigerator casing
|
|
US2116662A
|
|
Insulated refrigerator casing
|
|
US2083219A
|
|
Machine for producing wet adhesive tape strips
|
|
US1981559A
|
|
Insulated structure
|
|
US1961888A
|
|
Insulating structure
|
|
US1899260A
|
|
Material-handling apparatus
|
|
US1817086A
|
|
Sound deadening and heat insulating material and method of making the same
|
|
US1730153A
|
|
Insulated tank
|
|
US1753896A
|
|
Thermoinsulating structure and method of manufacturing the same
|
|
US1694947A
|
|
Thermal insulating structure
|
|
US1564868A
|
|
Mattress machine
|
|
US1679251A
|
|
Body formed of separate fibers
|
|
US1584386A
|
|
Method and apparatus for producing bodies formed of separate fibers
|
|
US1643505A
|
|
Method and apparatus for producing bodies formed of separate fibers
|
|
US1591713A
|
|
Fiber separating and feeding machine
|
|
US1618455A
|
|
Refrigerator-pipe insulate
|
