Title:
X-ray cone
United States Patent 1352198
Inventors:
Maclagan, Hector P.
Application Number:
US25521318A
Publication Date:
09/07/1920
Filing Date:
09/21/1918
Assignee:
Mcintosh, Battery And Optical C.
Primary Class:
Other Classes:
976/DIG.428
International Classes:
G21K1/02
View Patent Images: