Granted Patent
Utility
US 6,273,336 · App. 09/502,207
Collection system for range enhancement
Inventors:
Robert W. Rudeen, James W. Ring
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Feb 10, 2000
Inventors
Robert W. Rudeen
James W. Ring
Assignee (at issue)
PSC Scanning, 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.