|
GB484749A
|
|
Process of manufacturing an active dry preparation of papaine and similar vegetable enzymes
|
|
US2130137A
|
|
Papain product and method of preparing same
|
|
US1686865A
|
|
Electric-heat applicator
|
|
GB270528A
|
|
Improvements in therapeutic apparatus for treatment by radiant heat
|
|
GB244042A
|
|
Improvements in pneumatic cushioning devices for orthopaedic and other surgical supports
|
|
US1556224A
|
|
Valve
|
|
GB232114A
|
|
Improvements in foot protectors
|
|
US1530603A
|
|
Pneumatic insertion for boots
|
|
US1536870A
|
|
Valve for inflated articles
|
|
US1584034A
|
|
Pneumatic insertion for shoes
|
|
GB194973A
|
|
Improvements in foot-arch supports for insertion in boots and shoes
|
