Granted Patent
Utility
US 4,540,133 · App. 06/664,370
Tape reel and method
Inventor:
Lawrence C. Alsobrook
Patented Case
View Patent ↗
Granted: Sep 10, 1985
Filed: Oct 24, 1984
Inventor
Lawrence C. Alsobrook
Assignee (at issue)
Data Technology, 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.