Granted Patent
Utility
US 5,238,242 · App. 07/559,084
Modular bowling alley pit assembly
Inventor:
Garland U. Edwards
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: Jul 30, 1990
Inventor
Garland U. Edwards
Assignee (at issue)
AMF Bowling, 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.