About 7 Trademarks found that are owned by Perceptual Development Corporation
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on 20 Aug 2023
IRLEN OVERLAYS
Perceptual Development Corporation
76474507 · 10 Dec 2002
25 Nov 2033
016
"OVERLAY",IRLEN OVER LAYS,PLASTIC SHEETS FOR ASSISTANCE WITH VISUAL PR...
on 20 Aug 2023
IRLEN COLORED OVERLAYS
Perceptual Development Corporation
76474158 · 10 Dec 2002
06 Jan 2034
016
"COLORED OVERLAYS",IRLEN COLORED OVER LAYS,PLASTIC SHEETS FOR ASSISTAN...
on 30 Jan 2023
IRLEN FILTERS
Perceptual Development Corporation
76406079 · 10 May 2002
27 May 2033
009
Optical filters and lenses,"FILTERS"
on 30 Jan 2023
IRLEN SCREENER
Perceptual Development Corporation
76406108 · 08 May 2002
25 Mar 2033
044
VISUAL-PERCEPTUAL TESTING AND DIAGNOSTIC SERVICES,"SCREENER"
on 29 Jan 2023
IRLEN
Perceptual Development Corporation
76071105 · 16 Jun 2000
08 Oct 2032
041
042
Educational remediation and training services, namely conducting educa...
on 23 Oct 2017
Logo Mark
Perceptual Development Corporation
77055861 · 02 Dec 2006
28 Feb 2028
041
Color is not claimed as a feature of the mark.,Educational remediation...
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