Granted Patent
Utility
US 5,215,726 · App. 07/731,422
Two-tiered sterilization and storage cassette
Inventors:
James M. Kudla, Roy E. Riihimaki
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Jul 17, 1991
Inventors
James M. Kudla
Roy E. Riihimaki
Assignee (at issue)
HU-FRIEDY MFG. CO., LLC
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.