Granted Patent
Utility
US 5,645,537 · App. 08/228,551
Aspiration needle and syringe for use therewith, apparatus incorporating the same and kit for use in fine needle aspiration cytology, and method
Inventors:
Trevor J. Powles, Mir Imran
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Apr 15, 1994
Inventors
Trevor J. Powles
Mir Imran
Assignee (at issue)
Advanced Cytometrix, 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.