Granted Patent
Utility
US 6,534,147 · App. 09/784,507
Composite weatherstrip having a friction reducing surface coating on a hard bearing layer
Inventor:
Krishnamachari Gopalan
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Feb 15, 2001
Inventor
Krishnamachari Gopalan
Assignee (at issue)
Schlegal Corporation
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.