Donald P. Pfaff

Follow

Person

Mount Clemens, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Powertrain with electrically variable transmission providing improv...
- Patent number 7,278,940
- Issue date Oct 9, 2007
- General Motors Corporation
- Anthony P. Tata
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Active noise control system
- Patent number 5,386,472
- Issue date Jan 31, 1995
- General Motors Corporation
- Donald P. Pfaff
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method for actively attenuating engine generated noise
- Patent number 5,146,505
- Issue date Sep 8, 1992
- General Motors Corporation
- Donald P. Pfaff
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Powertrain with electrically variable transmission providing improv...
- Publication number 20060128513
- Publication date Jun 15, 2006
- Anthony P. Tata
- B60 - VEHICLES IN GENERAL