Granted Patent
Utility
US 6,446,486 · App. 09/299,804
Micromachine friction test apparatus
Inventors:
Maarten P. DeBoer, James Redmond, Terry Arthur Michalske
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Apr 26, 1999
Inventors
Maarten P. DeBoer
James Redmond
Terry Arthur Michalske
Assignee (at issue)
Sandia Corporation
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.