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Willem Ooms
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Cookeville, TN, US
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last 30 patents
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Patent Grant
Method for preparing a marking structure
Patent number
5,049,432
Issue date
Sep 17, 1991
Porelon, Inc.
Willem Ooms
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Microporous marking structures
Patent number
4,927,695
Issue date
May 22, 1990
Porelon, Inc.
Willem Ooms
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS