Granted Patent
Utility
US 6,580,056 · App. 09/961,043
Biological specimen heating device and quality control method for immunohistochemistry heat retrieval procedures
Inventor:
David Tacha
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Sep 21, 2001
Inventor
David Tacha
Assignee (at issue)
Biocare Medical, 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.