Granted Patent
Utility
US 4,189,894 · App. 05/937,055
Method of and apparatus for wrapping products
Inventor:
Robert Laing
Patented Case
View Patent ↗
Granted: Feb 26, 1980
Filed: Aug 28, 1978
Inventor
Robert Laing
Assignee (at issue)
Curtis & Marble Machine 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.