Granted Patent
Utility
US 4,379,731 · App. 06/292,835
Method and apparatus for applying hot melt adhesive to base cups
Inventors:
Geoffrey Alan Long, Brian C. McPike
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Aug 14, 1981
Inventors
Geoffrey Alan Long
Brian C. McPike
Assignee (at issue)
Sewell Plastics, 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.