Granted Patent
Utility
US 6,025,313 · App. 09/025,901
Method for protecting steel alloys from embrittling effects of benzyl alcohol paint strippers, and compositions
Inventor:
John Douglas Weir
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Feb 19, 1998
Inventor
John Douglas Weir
Assignee (at issue)
NORTHROP GRUMMAN 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.