Granted Patent
Utility
US 6,575,472 · App. 09/992,636
System for sealing relatively movable elements
Inventor:
Gilbert W. Younger
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Nov 19, 2001
Inventor
Gilbert W. Younger
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.