Bedsprings
United States Patent 3398411
US Patent References:
Head and knee rest operating drives for hospital beds and the like
- - 3191196
Hospital bed
- - 3201806
Adjustable seat length hospital bed
- - 3220021
Bedstead
- - 3300794
Hospital bed
- - 3323145
Head and knee rest operating drives for hospital beds and the like
- - 3191196
Hospital bed
- - 3201806
Adjustable seat length hospital bed
- - 3220021
Bedstead
- - 3300794
Hospital bed
- - 3323145
Inventors:
John, Douglass
Publication Date:
08/27/1968
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Export Citation:
Assignee:
Affiliated, Hospital Prod
Primary Class:
International Classes:
A61G7/015; A61G7/002