Granted Patent
Utility
US 5,480,616 · App. 08/280,702
Polycondensation apparatus
Inventors:
Joel A. Richardson, Wassily Poppe, Benjamin A. Bolton, Edward E. Paschke
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Jul 26, 1994
Inventors
Joel A. Richardson
Wassily Poppe
Benjamin A. Bolton
Edward E. Paschke
Assignee (at issue)
Amoco 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.