Granted Patent
Utility
US 4,914,243 · App. 07/344,187
Production of 2-alkoxy or aryl(lower)alkoxy-6-methoxy-1-naphthalenecarboxaldehyde
Inventor:
John G. Bauman
Patented Case
View Patent ↗
Granted: Apr 3, 1990
Filed: Apr 27, 1989
Inventor
John G. Bauman
Assignee (at issue)
Amerimas Home Products, Inc.
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.