Rolf Groth

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Bochum-Wattenscheid, DE

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Patents Grantslast 30 patents

Information Patent Grant
Heat-reflecting panel having neutral-color outer appearance
- Patent number 4,327,967
- Issue date May 4, 1982
- BFG Glassgroup
- Rolf Groth
- G02 - OPTICS
Information Patent Grant
Heat reflecting pane and a method of producing it
- Patent number 4,216,259
- Issue date Aug 5, 1980
- BFG Glassgroup
- Rolf Groth
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Heat-reflecting glass pane
- Patent number 4,188,452
- Issue date Feb 12, 1980
- BFG Glassgroup
- Rolf Groth
- C03 - GLASS MINERAL OR SLAG WOOL