Granted Patent
Utility
US 6,525,125 · App. 09/497,950
Polyolefin compositions having variable density and methods for their production and use
Inventors:
Michael A. Giardello, Jonathon G. Lasch, Christopher J. Cruce, Jessie G. Macleod, Christopher M. Haar
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Feb 4, 2000
Inventors
Michael A. Giardello
Jonathon G. Lasch
Christopher J. Cruce
Jessie G. Macleod
Christopher M. Haar
Assignee (at issue)
MATERION 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.