Granted Patent
Utility
US 5,605,258 · App. 08/599,121
Two-piece aerosol valve for vertical or tilt action
Inventor:
Robert H. Abplanalp
Patented Case
View Patent ↗
Granted: Feb 25, 1997
Filed: Feb 9, 1996
Inventor
Robert H. Abplanalp
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.