Colostomy appliance
United States Patent 2438769
US Patent References:
/1656328.html
- - 1656328

Colostomy appliance
- - 2221321

Colostomy device
- - 2294537


Inventors:
Thomas, Asa E.
Publication Date:
03/30/1948
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Assignee:
James, Dunn A.
Primary Class:
604/334
Other Classes:
137/559
International Classes:
A61F5/442