Jacobus M. van Keulen

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Bilthoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Liquid absorbing fibrous material treated with a wood preservative...
- Patent number 4,389,446
- Issue date Jun 21, 1983
- Woodcap, B.V.
- Cornelis W. Blom
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Method for the treatment of wood by a wood preserving agent, as wel...
- Patent number 4,265,958
- Issue date May 5, 1981
- Hoeka Sierpleisters En Muurverven B.V.
- Cornelis W. Blom
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...