Granted Patent
Utility
US 4,044,513 · App. 05/668,695
Earth anchor
Inventor:
Robert F. Deike
Patented Case
View Patent ↗
Granted: Aug 30, 1977
Filed: Mar 19, 1976
Inventor
Robert F. Deike
Assignee (at issue)
Foresight Industries, 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.