Granted Patent
Utility
US 4,120,847 · App. 05/830,537
High ortho etherified resole resins
Inventor:
Harry M. Culbertson
Patented Case
View Patent ↗
Granted: Oct 17, 1978
Filed: Sep 6, 1977
Inventor
Harry M. Culbertson
Assignee (at issue)
Monsanto 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.