Lester A. Hass

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Duvall, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable speed AC motor drive for treadmill
- Patent number 5,856,736
- Issue date Jan 5, 1999
- Quinton Instrument Company
- John T. Rotunda
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Current sensing module for a variable speed AC motor drive for use...
- Patent number 5,747,955
- Issue date May 5, 1998
- Quinton Instrument Company
- John T. Rotunda
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Variable speed AC motor drive for treadmill
- Patent number 5,650,709
- Issue date Jul 22, 1997
- Quinton Instrument Company
- John T. Rotunda
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
D.C. treadmill speed change motor controller system
- Patent number 5,545,112
- Issue date Aug 13, 1996
- Quinton Instrument Company
- Bruce D. Densmore
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Treadmill deceleration system and method
- Patent number 5,489,250
- Issue date Feb 6, 1996
- Quinton Instrument Company
- Bruce D. Densmore
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
D.C. treadmill speed change motor controller system
- Patent number 5,290,205
- Issue date Mar 1, 1994
- Quinton Instrument Company
- Bruce D. Densmore
- A63 - SPORTS GAMES AMUSEMENTS