Granted Patent
Utility
US 4,512,813 · App. 06/482,942
Method for treating wooden articles
Inventor:
Donald C. Young
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Apr 7, 1983
Inventor
Donald C. Young
Assignee (at issue)
Union Oil Company of California
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.