Granted Patent
Utility
US 4,224,897 · App. 05/943,349
Methods of depositing materials on substrates
Inventor:
Ronald A. Dugdale
Patented Case
View Patent ↗
Granted: Sep 30, 1980
Filed: Sep 18, 1978
Inventor
Ronald A. Dugdale
Assignee (at issue)
United Kingdom Atomic Energy Authority
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.