Granted Patent
Utility
US 4,069,352 · App. 05/702,298
Immunoadsorbent polymeric material and method of making same
Inventor:
George Henry Parsons
Patented Case
View Patent ↗
Granted: Jan 17, 1978
Filed: Jul 2, 1976
Inventor
George Henry Parsons
Assignee (at issue)
Baxter Travenol Laboratories, 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.