Granted Patent
Utility
US 6,464,937 · App. 09/969,261
Ultrapure sterilization of microbiological test media by electron beam irradiation
Inventor:
Gary Wicklund
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Oct 1, 2001
Inventor
Gary Wicklund
Assignee (at issue)
PML Microbiologicals, 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.