Granted Patent
Utility
US 4,903,607 · App. 07/227,987
Communication link winding and dispensing projectile
Inventor:
James E. Clark
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: Aug 2, 1988
Inventor
James E. Clark
Assignee (at issue)
Optelecom, 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.