Title:
Inflatable mattress lifters
United States Patent 2769182
US Patent References:
/0010139.html
- - 0010139

/0484974.html
- - 0484974

/0844362.html
- - 0844362

/1151894.html
- - 1151894

/1171712.html
- - 1171712


Inventors:
Nunlist, Erwin J.
Publication Date:
11/06/1956
View Patent Images:
Download PDF 2769182 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Nunlist, Erwin J.
Primary Class:
5/615
Other Classes:
5/660
International Classes:
A47C20/04; A61G7/10; A47C20/00
US Patent References:
1356613Bed attachment
1639462Mattress-adjusting apparatus
1772310Variable-pressure bed or mattress
1981666Bed lift
Foreign References:
GB190407105A
GB192751A