Granted Patent
Utility
US 4,807,752 · App. 06/819,906
Dental floss holders and package assembly of same
Inventor:
Ingram S. Chodorow
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Jan 21, 1986
Inventor
Ingram S. Chodorow
Assignee (at issue)
Placontrol, 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.