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on 12 Apr 1999
PHYSICAL ELECTRONICS INDUSTRIES, INC.
73102313 · 06 Oct 1976
009
THE DRAWING IS LINED FOR THE COLORS BLUE AND SILVER, BUT NO CLAIM TO C...
on 25 Apr 1994
PHYSICAL ELECTRONICS INDUSTRIES, INC.
72362409 · 11 Jun 1970
026
ELECTRON ENERGY ANALYZERS FOR MEASURING ENERGY ELECTRONS EMITTED FROM ...
on 25 Apr 1994
PHYSICAL ELECTRONICS INDUSTRIES, INC.
72362410 · 11 Jun 1970
026
THE MARK CONSISTS OF THE GREEK LETTER "PHI.",ELECTRON ENERGY ANALYZERS...
on 20 Sep 1993
PHYSICAL ELECTRONICS INDUSTRIES, INC.
72371279 · 21 Sep 1970
026
ELECTRON OPTICS UNITS UTILIZED IN VACUUM SYSTEMS OF RESEARCH LABORATOR...
on 22 Mar 1993
PHYSICAL ELECTRONICS INDUSTRIES, INC.
72376260 · 16 Nov 1970
026
MIRROR ELECTRON VELOCITY ANALYZERS UTILIZED IN VACUUM SYSTEMS OF RESEA...
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