Granted Patent
Utility
US 6,571,489 · App. 09/961,764
Method and device at a single chamber air drier
Inventors:
Sven-Olof Larsson, Mats-Örjan Pogén
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Sep 24, 2001
Inventors
Sven-Olof Larsson
Mats-Örjan Pogén
Assignee (at issue)
Haldex Brake Products AB
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.