G09B 7/077

Different stations being capable of presenting different questions simultaneously

Official title: different stations being capable of presenting different questions simultaneously

G09B7/077 (Different stations being capable of presenting different questions simultaneously) appears on 63 US grants and 107 published applications in this corpus.

Search patents in G09B
Granted patents
63
Published applications
107
Assignees
71
Inventors
217
Latest grant
1 Sep 2026

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G09B 7/077: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198000
198120
198200
198300
198400
198500
198620
198700
198800
198910
199000
199100
199200
199310
199400
199500
199600
199700
199800
199900
200000
200100
200200
200300
200402
200501
200600
200711
200803
200901
201011
201100
201212
201322
201412
201505
201649
2017311
2018418
201958
202089
202129
202286
202344
202476
202536
202621

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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