Granted Patent
Utility
US 5,522,682 · App. 08/204,941
Modular wall block system and grid connection device for use therewith
Inventor:
Philip D. Egan
Patented Case
View Patent ↗
Granted: Jun 4, 1996
Filed: Mar 2, 1994
Inventor
Philip D. Egan
Assignee (at issue)
Tensar Corporation, LLC
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.