Granted Patent
Utility
US 6,657,128 · App. 09/771,027
Hydrophobic properties of polymer housings
Inventors:
Michael M. Ramarge, Thomas C. Hartman, David R. Miller, David Servies
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Jan 29, 2001
Inventors
Michael M. Ramarge
Thomas C. Hartman
David R. Miller
David Servies
Assignee (at issue)
MCGRAW-EDISON COMPANY
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.