Granted Patent
Utility
US 5,458,824 · App. 08/151,705
Method of manufacturing a rubber/plastic co-extrudate
Inventors:
Thomas O. Powers, Timothy T. Hertrick, Mary A. Peak
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Nov 12, 1993
Inventors
Thomas O. Powers
Timothy T. Hertrick
Mary A. Peak
Assignee (at issue)
The Geauga Company
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.