Granted Patent
Utility
US 5,158,973 · App. 07/839,659
Process and composition for inhibiting and controlling bacterial growth
Inventors:
Wilson K. Whitekettle, Deborah K. Donofrio
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Feb 20, 1992
Inventors
Wilson K. Whitekettle
Deborah K. Donofrio
Assignee (at issue)
Betz Laboratories, 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.