Granted Patent
Utility
US 4,402,908 · App. 06/392,420
Method for reducing heat loss from contained bodies of water using polysiloxane foams
Inventors:
Chi-Long Lee, James A. Rabe
Patented Case
View Patent ↗
Granted: Sep 6, 1983
Filed: Jun 25, 1982
Inventors
Chi-Long Lee
James A. Rabe
Assignee (at issue)
Dow Corning Corporation
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.