Otto Alfred Becker

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66 Saarbruecken, DT

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Patents Grantslast 30 patents

Information Patent Grant
Load bearing structural element
- Patent number 4,090,340
- Issue date May 23, 1978
- Otto Alfred Becker
- E04 - BUILDING
Information Patent Grant
Insulating flexible composite element
- Patent number 4,045,931
- Issue date Sep 6, 1977
- Otto Alfred Becker
- A41 - WEARING APPAREL
Information Patent Grant
Composite wall element for thermal and acoustic insulation
- Patent number 3,991,531
- Issue date Nov 16, 1976
- Otto Alfred Becker
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Insulating wall unit
- Patent number 3,990,202
- Issue date Nov 9, 1976
- Otto Alfred Becker
- F24 - HEATING RANGES VENTILATING