Granted Patent
Utility
US 4,979,501 · App. 07/318,593
Method and apparatus for medical treatment of the pathological state of bones
Inventors:
Vyacheslav D. Valchanov, Peter M. Mihaylov, Todor K. Patrashkov, Stoyan S. Manolov, Todor P. Kerin
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Feb 13, 1989
Inventors
Vyacheslav D. Valchanov
Peter M. Mihaylov
Todor K. Patrashkov
Stoyan S. Manolov
Todor P. Kerin
Assignee (at issue)
Vissh Voennomedicinski Institut
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.