Granted Patent
Utility
US 6,288,552 · App. 09/430,743
GMR sensor tester for heated window grids
Inventor:
Tris Palmgren
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Oct 29, 1999
Inventor
Tris Palmgren
Assignee (at issue)
Daimlerchrysler AG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.