Granted Patent
Utility
US 5,381,149 · App. 07/870,532
Broadband absorbers of electromagnetic radiation based on aerogel materials, and method of making the same
Inventors:
Thomas K. Dougherty, Norman H. Harris, James R. Chow, Brian M. Pierce
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Apr 17, 1992
Inventors
Thomas K. Dougherty
Norman H. Harris
James R. Chow
Brian M. Pierce
Assignee (at issue)
Hughes Aircraft 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.