Granted Patent
Utility
US 5,312,577 · App. 07/880,249
Method for manufacturing an ampule
Inventors:
Steven F. Peterson, John W. Ashley, Victor L. Bartholomew, James P. Casey, Charles N. McKinnon, Jr.
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: May 8, 1992
Inventors
Steven F. Peterson
John W. Ashley
Victor L. Bartholomew
James P. Casey
Charles N. McKinnon, Jr.
Assignee (at issue)
Bioject 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.