Granted Patent
Utility
US 6,073,410 · App. 09/172,741
Structure and formulation for manufacture of prefabricated buildings
Inventors:
Michael J. Schimpf, Marcus J. Harrel
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Oct 14, 1998
Inventors
Michael J. Schimpf
Marcus J. Harrel
Assignee (at issue)
Eco Buliding Systems, 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.