Granted Patent
Utility
US 4,259,372 · App. 05/924,328
Method and apparatus for applying sealant to a seam in a container
Inventor:
William R. Eddy
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Jul 13, 1978
Inventor
William R. Eddy
Assignee (at issue)
Phillips Petroleum 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.