Granted Patent
Utility
US 4,224,355 · App. 05/886,890
Method for quality film formation
Inventors:
Curtis M. Lampkin, Guy A. Roderick, Peter Locke
Patented Case
View Patent ↗
Granted: Sep 23, 1980
Filed: Mar 15, 1978
Inventors
Curtis M. Lampkin
Guy A. Roderick
Peter Locke
Assignee (at issue)
Photon Power, 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.