Granted Patent
Utility
US 5,747,548 · App. 08/819,573
Compartmented thermoplastic pellets
Inventor:
Rexford H. Bradt
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Mar 14, 1997
Inventor
Rexford H. Bradt
Assignee (at issue)
Materials Research Innovations 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.