Floor unit
United States Patent 2668991
US Patent References:
/0078847.html
- - 0078847
Sound and heat insulated flcoring
- - 1864774
Sound insulating and vibration dampening structural unit
- - 1880153
Structural unit
- - 2225612
Ply wood floor block
- - 2257048
/0078847.html
- - 0078847
Sound and heat insulated flcoring
- - 1864774
Sound insulating and vibration dampening structural unit
- - 1880153
Structural unit
- - 2225612
Ply wood floor block
- - 2257048
Inventors:
Leon, Taphoureau Fernand
Publication Date:
02/16/1954
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Export Citation:
Assignee:
Leon, Taphoureau Fernand
Primary Class:
Other Classes:
52/780
International Classes:
E04F15/022
Foreign References:
| GB188410164A | ||||
| GB189423575A | ||||
| GB230712A |