Granted Patent
Utility
US 5,433,804 · App. 08/237,246
Hot melt adhesive heating by means of microwave
Inventors:
John R. Nottingham, John W. Spirk, Craig M. Saunders, Paul E. Brokaw
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: May 4, 1994
Inventors
John R. Nottingham
John W. Spirk
Craig M. Saunders
Paul E. Brokaw
Assignee (at issue)
Nottingham Spirk Design Associates
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.