Granted Patent
Utility
US 5,807,358 · App. 08/472,144
Dry suction regulator blood collection device
Inventors:
Steve A. Herweck, Theodore Karwoski, David Cross
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Jun 7, 1995
Inventors
Steve A. Herweck
Theodore Karwoski
David Cross
Assignee (at issue)
ATRIUM MEDICAL CORPORATION
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.