Granted Patent
Utility
US 4,339,128 · App. 06/164,429
Bowling ball path indicator with ROM ball path selector
Inventor:
James H. Multner
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Jun 30, 1980
Inventor
James H. Multner
Assignee (at issue)
AMF GmbH
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.