Granted Patent
Utility
US 6,007,901 · App. 08/984,977
Heat reflecting fenestration products with color corrective and corrosion protective layers
Inventors:
Peter Maschwitz, Ronald Spraker
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Dec 4, 1997
Inventors
Peter Maschwitz
Ronald Spraker
Assignee (at issue)
CPFilms 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.