US PATENT SUBCLASS 342 / 4
.~ With particular geometric configuration

Current as of: June, 1999
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342 /   HD   COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION)

1  DF  RADIO WAVE ABSORBER {3}
4.~ With particular geometric configuration

DEFINITION

Classification: 342/4

With particular geometric configuration:

(under subclass 1) Subject matter wherein the absorber has significant topological structural details.