Title:
Inflatable massaging and cooling mattress
United States Patent 2998817


Inventors:
Armstrong, Law L.
Application Number:
US83221159A
Publication Date:
09/05/1961
Filing Date:
08/07/1959
Assignee:
Gary, Armstrong Stebbins
Alice, Armstrong Hohenberg
Primary Class:
Other Classes:
5/422, 5/713, 165/46, 297/DIG.3, 601/150, 604/23
International Classes:
A61F7/10; A61G7/057; A61H23/04; A61F7/00
View Patent Images:
US Patent References:
2493067Mattress1950-01-03
2025659Inhalation device1935-12-24
1772310Variable-pressure bed or mattress1930-08-05
1712391Sanitary hospital pad1929-05-07
0813731N/A1906-02-27
0630565N/A1899-08-08
0096989N/A1869-11-16