Granted Patent
Utility
US 6,644,214 · App. 10/246,325
Constant contact side bearing
Inventor:
Ralph H. Schorr
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Sep 18, 2002
Inventor
Ralph H. Schorr
Assignee (at issue)
ASF Keystone, Inc.
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.