Granted Patent
Utility
US 6,013,686 · App. 09/023,577
Blowing agent concentrate
Inventors:
Douglas G. Hamilton, Steven R. Peak, Randall A. Reed
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Feb 13, 1998
Inventors
Douglas G. Hamilton
Steven R. Peak
Randall A. Reed
Assignee (at issue)
General Electric 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.