Granted Patent
Utility
US 6,030,558 · App. 09/064,786
Sintered porous plastic products and method of making same
Inventors:
Michael Walter Smith, Daniel George Fullerton
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Apr 23, 1998
Inventors
Michael Walter Smith
Daniel George Fullerton
Assignee (at issue)
Porex Technologies 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.