Granted Patent
Utility
US 6,217,030 · App. 09/247,252
Seal assembly
Inventor:
Richard D. Zitting
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Feb 9, 1999
Inventor
Richard D. Zitting
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.