Harold J. Mann

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Galveston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Direct reading inside and outside tape measure
- Patent number 6,138,373
- Issue date Oct 31, 2000
- Harold J. Mann
- G01 - MEASURING TESTING
Information Patent Grant
Direct reading inside and outside tape measure
- Patent number 5,832,622
- Issue date Nov 10, 1998
- Harold J. Mann
- G01 - MEASURING TESTING
Information Patent Grant
Bilingual dictionary
- Patent number 5,167,504
- Issue date Dec 1, 1992
- Harold J. Mann
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS