Per B. Christensen

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Puerto Del Carmen, ES

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Patents Grantslast 30 patents

Information Patent Grant
Counterbalanced window operator
- Patent number 5,442,879
- Issue date Aug 22, 1995
- V. Kann Rasmussen Industri A/S
- Per B. Christensen
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Venetian blind assembly for a window in an inclined roof
- Patent number 5,113,922
- Issue date May 19, 1992
- V. Kann Rasmussen Industri A/S
- Per B. Christensen
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS