William H. Englehardt

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Woodale, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for measuring heart rate
- Patent number 5,243,993
- Issue date Sep 14, 1993
- Life Fitness
- Donald J. Alexander
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Exercise equipment information, communication and display system
- Patent number 5,213,555
- Issue date May 25, 1993
- Robert L. Hood
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Motor control circuit for a simulated weight stack
- Patent number 5,117,170
- Issue date May 26, 1992
- Life Fitness
- Martin A. Keane
- G05 - CONTROLLING REGULATING
Information Patent Grant
Motor control for an exercise machine simulating a weight stack
- Patent number 5,020,794
- Issue date Jun 4, 1991
- Bally Manufacturing Corporation
- William H. Englehardt
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Control system for health club facilities and equipment
- Patent number 4,831,242
- Issue date May 16, 1989
- Bally Manufacturing Corporation
- William H. Englehardt
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computerized pin ball machine
- Patent number 4,198,051
- Issue date Apr 15, 1980
- Bally Manufacturing Corporation
- Marion F. Bracha
- G07 - CHECKING-DEVICES