Granted Patent
Utility
US 4,583,564 · App. 06/749,595
Dental floss
Inventors:
Paul Finkelstein, Kevin G. Yost
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Jun 27, 1985
Inventors
Paul Finkelstein
Kevin G. Yost
Assignee (at issue)
Johnson & Johnson Products, 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.