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Paul Douglas Rickman
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Ingatestone, GB
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last 30 patents
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Patent Grant
Roof construction
Patent number
6,223,481
Issue date
May 1, 2001
Rickmans Limited
Paul Douglas Rickman
E04 - BUILDING
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Patent Grant
Conservatory roof construction
Patent number
6,112,493
Issue date
Sep 5, 2000
Rickmans Limited
Paul Douglas Rickman
E04 - BUILDING