Granted Patent
Utility
US 6,436,185 · App. 09/838,462
Joint compound and method of making same
Inventors:
Amba Ayambem, Gopalakrishnan Sethuraman, Richard E. Smith
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Apr 19, 2001
Inventors
Amba Ayambem
Gopalakrishnan Sethuraman
Richard E. Smith
Assignee (at issue)
National Gypsum Properties, 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.