US Patent 7892393 Sealing liquid
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Patent abstract
The invention concerns a sealing liquid comprising water and a penetration agent for sealing of mail pieces, the use of said sealing liquid as well as sealing devices and franking machines containing such a sealing liquid.
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Patent Inventor Names
Thomas Gerhardt0
Wolfgang Muhl0
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US Patent 07892393 Sealing liquid US Patent 7892393 Sealing liquid
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Patent Number
078923930
Patent Number
78923930
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Official Website
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Patent Jurisdiction
Patent Number
078923930
Date of Patent
February 22, 2011
0Patent Application Number
116902430
Date Filed
March 23, 2007
0Official Website
Patent Primary Examiner
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US Patent 07892393 Sealing liquid
Infobox
Is a
Patent jurisdiction
Patent number
07892393
Date of patent
February 22, 2011
Patent application number
11690243
Date Filed
March 23, 2007
Patent primary examiner
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