Flint, Michigan
United States
4
2007-02-22
David P. Wallace from Flint, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Sensing element with vent and method of making
#2 | 2006-09-28Sensing element and method of making
#3 | 2006-01-26Methods of making a ceramic device and a sensor element
#4 | 2005-10-20Gas sensor and methods using the same
4358994 ⎘