Granted Patent
Utility
US 4,873,043 · App. 07/173,145
Method injection molded a plastic part with a round tubular portion
Inventor:
Marvin Meyers
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Mar 25, 1988
Inventor
Marvin Meyers
Assignee (at issue)
Hoover Universal, 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.