Granted Patent
Utility
US 4,838,578 · App. 07/127,422
Slider
Inventor:
Bobby G. Baxter
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Dec 1, 1987
Inventor
Bobby G. Baxter
Assignee (at issue)
The Binkley 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.