Title:
Firmness control for mattress
Document Type and Number:
United States Patent 3153249
Inventors:
Janapol, Melvin N.
Plaque It!
Sponsored by: Flash of Genius |
Publication Date:
10/20/1964
View Patent Images:
Images are available in PDF form when logged in. To view PDFs, Login or
Create Account (Free!)
Referenced by:
Export Citation:
Assignee:
WORTSO CORP
Primary Class:
International Classes:
A47C23/34; A47C23/00
US Patent References:
Foreign References:
| FR447794A |