Granted Patent
Utility
US 4,642,091 · App. 06/709,903
Sterilant additive holder for CAPD sets
Inventor:
Douglass S. Richmond
Patented Case
View Patent ↗
Granted: Feb 10, 1987
Filed: Mar 8, 1985
Inventor
Douglass S. Richmond
Assignee (at issue)
Kendall McGaw 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.