David C. Fischer

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Chappaqua, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for measuring angular or linear displacement
- Patent number 7,325,327
- Issue date Feb 5, 2008
- David C. Fischer
- G01 - MEASURING TESTING
Information Patent Grant
Kite altitude measuring apparatus
- Patent number 6,578,797
- Issue date Jun 17, 2003
- David C. Fischer
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Casting rod and reel with distance meter
- Patent number 6,253,461
- Issue date Jul 3, 2001
- David C. Fischer
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for measuring angular or linear displacement
- Publication number 20040080306
- Publication date Apr 29, 2004
- David C. Fischer
- G01 - MEASURING TESTING
Information Patent Application
KITE ALTITUDE MEASURING APPARATUS
- Publication number 20030025039
- Publication date Feb 6, 2003
- David C. Fischer
- A63 - SPORTS GAMES AMUSEMENTS