Granted Patent
Utility
US 4,936,510 · App. 07/369,261
Rotary automizer with air cap and retainer
Inventor:
Richard Weinstein
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: Jun 21, 1989
Inventor
Richard Weinstein
Assignee (at issue)
The DeVilbiss 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.