Granted Patent
Utility
US 6,296,739 · App. 09/227,665
Operation of heads column
Inventor:
Sanjay P. Godbole
Patented Case
View Patent ↗
Granted: Oct 2, 2001
Filed: Jan 8, 1999
Inventor
Sanjay P. Godbole
Assignee (at issue)
The Standard Oil Company
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.