Granted Patent
Utility
US 5,300,569 · App. 08/016,487
Adhesive rubber compounds
Inventors:
Ronald E. Drake, John M. Labriola
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Feb 10, 1993
Inventors
Ronald E. Drake
John M. Labriola
Assignee (at issue)
Ricon Resins, 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.