Electromagnetic radiation detector
US D193850 S
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O "pca Patented zi ELECTROMAGNETIC RADIATION DETECTOR David R. Powell, St. Petersburg, Fla., assignor to Sperry Rand Corporation, a corporation of Delaware Filed Feb. 26, 1962, Ser. No. 68,959
Term of patent 7 years Des. 193,850
PAGE 2 A G F FIG. 1 is a perspective view of an electromagnetic References Cited in the file of this patent radiation detector, showing my new design;
UNITED STATES PATENTS FIG. 2 is a side elevation view taken from the left of FIG. 1;
D. 163,404 Morgenstern May 22. 1951 FIG. 3 is a front elevation view; and
FIG. 4 is a rear elevation view.
The ornamental design for an electromagnetic radiation detector. as shown.