Nis Oellgaard

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DK-8000 Aarhus C, DK

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Patents Grantslast 30 patents

Information Patent Grant
Drawing triangle and/or protractor, in particular for blackboard use
- Patent number 5,864,959
- Issue date Feb 2, 1999
- Johansen; Joern
- Joern B. Johansen
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Cover device for subsequent mounting on softbound books
- Patent number 5,540,462
- Issue date Jul 30, 1996
- Helle Laursdahl
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER