Granted Patent
Utility
US 4,242,216 · App. 06/079,430
Stabilized dichlorodimethyl hydantoin
Inventors:
Denny E. Daugherty, Edwin R. Loder, Gary L. Young
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Sep 27, 1979
Inventors
Denny E. Daugherty
Edwin R. Loder
Gary L. Young
Assignee (at issue)
Chemed Corporation
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.