Granted Patent
Utility
US 6,510,894 · App. 09/445,150
Heat exchanger and/or fluid mixing means
Inventors:
Brian Keith Watton, Keith Thomas Symonds, Steven Paul Symonds
Patented Case
View Patent ↗
Granted: Jan 28, 2003
Filed: Dec 3, 1999
Inventors
Brian Keith Watton
Keith Thomas Symonds
Steven Paul Symonds
Assignee (at issue)
Chart Heat Exchangers Limited
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.