Granted Patent
Utility
US 5,638,663 · App. 08/568,706
Overhead can guide
Inventors:
Glenn Robinson, Will L. Culpepper
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Dec 7, 1995
Inventors
Glenn Robinson
Will L. Culpepper
Assignee (at issue)
The Mead Corporation
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.