Granted Patent
Utility
US 4,601,954 · App. 06/595,441
Disinfectant formulation
Inventor:
David L. Coleman
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Mar 30, 1984
Inventor
David L. Coleman
Assignee (at issue)
ServiceMaster Industries, 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.