Granted Patent
Utility
US 5,284,626 · App. 07/911,172
Polymer activation apparatus
Inventors:
Carl L. Brazelton, Troy C. Litherland, Derek J. Green
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Jul 9, 1992
Inventors
Carl L. Brazelton
Troy C. Litherland
Derek J. Green
Assignee (at issue)
Stranco, 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.