Frederick August Blackmann

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Barrington, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for bonding an additional layer of fabric to a...
- Patent number 6,818,084
- Issue date Nov 16, 2004
- Pittsfield Weaving Co., Inc.
- Frederick August Blackmann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for bonding an additional layer of fabric to a...
- Publication number 20050061428
- Publication date Mar 24, 2005
- Frederick August Blackmann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Method and apparatus for bonding an additional layer of fabric to a...
- Publication number 20030024634
- Publication date Feb 6, 2003
- Pittsfield Weaving Co., Inc.
- Frederick August Blackmann
- B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD