Granted Patent
Utility
US 4,411,428 · App. 05/891,310
Repositioning mechanism for game reels
Inventor:
Frank G. Nicolaus
Patented Case
View Patent ↗
Granted: Oct 25, 1983
Filed: Mar 29, 1978
Inventor
Frank G. Nicolaus
Assignee (at issue)
Bally Manufacturing 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.