Granted Patent
Utility
US 6,652,805 · App. 09/973,347
Highly filled composites of powdered fillers and polymer matrix
Inventors:
Richard A. Holl, Philip L. Lichtenberger, Kenneth Yao
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Oct 5, 2001
Inventors
Richard A. Holl
Philip L. Lichtenberger
Kenneth Yao
Assignee (at issue)
Holl Technologies 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.