Granted Patent
Utility
US 6,484,802 · App. 09/762,252
Downhole scraper assembly
Inventors:
Bruce McGarian, Ian Gillies
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Mar 16, 2001
Inventors
Bruce McGarian
Ian Gillies
Assignee (at issue)
SMITH INTERNATIONAL, 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.