Granted Patent
Utility
US 6,228,338 · App. 09/334,359
Preparation of aluminum hydride polymorphs, particularly stabilized .alpha.-alh3
Inventors:
Mark A. Petrie, Jeffrey C. Bottaro, Robert J. Schmitt, Paul E. Penwell, David C. Bomberger
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Jun 16, 1999
Inventors
Mark A. Petrie
Jeffrey C. Bottaro
Robert J. Schmitt
Paul E. Penwell
David C. Bomberger
Assignee (at issue)
SRI INTERNATIONAL
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.