Granted Patent
Utility
US 4,758,485 · App. 06/917,271
Slides and recording method for audiovisual slide show
Inventor:
Jerome Drexler
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Oct 8, 1986
Inventor
Jerome Drexler
Assignee (at issue)
Drexler Technology 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.