Granted Patent
Utility
US 5,280,056 · App. 08/015,659
UV stable compositions
Inventors:
Susan D. Landry, Jon Shannon Reed, F. Alexander Pettigrew
Patented Case
View Patent ↗
Granted: Jan 18, 1994
Filed: Feb 9, 1993
Inventors
Susan D. Landry
Jon Shannon Reed
F. Alexander Pettigrew
Assignee (at issue)
Ethyl 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.