B.V. Asphalt-en Chemische Fabrieken Smid and Hollander

Follow

Organization

Groningen, NL

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Bituminous roof covering material
- Patent number 5,000,999
- Issue date Mar 19, 1991
- B. V. Asphalt- en Chemische Fabrieken Smid & Hollander
- Jan Hollander
- E04 - BUILDING
Information Patent Grant
Method of manufacturing a perforated roofing material
- Patent number 4,940,501
- Issue date Jul 10, 1990
- B. V. Asphalt- en Chemische Fabrieken Smid & Hollander
- Jan Hollander
- E04 - BUILDING
Information Patent Grant
Perforated roofing material and a method of manufacturing the same
- Patent number 4,874,652
- Issue date Oct 17, 1989
- B.V. Asphalt-en Chemische Fabrieken Smid and Hollander
- Jan Hollander
- E04 - BUILDING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks