G09B 1/22

And bearing the symbols on a surface perpendicular to the axis of

Official title: and bearing the symbols on a surface perpendicular to the axis of rotation

G09B1/22 (And bearing the symbols on a surface perpendicular to the axis of) appears on 29 US grants and 18 published applications in this corpus.

Search patents in G09B
Granted patents
29
Published applications
18
Assignees
10
Inventors
49
Latest grant
16 Mar 2021

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G09B 1/22: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197710
197810
197900
198010
198100
198220
198310
198410
198510
198610
198730
198800
198910
199010
199100
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200311
200400
200500
200604
200702
200810
200913
201010
201102
201210
201301
201401
201511
201621
201700
201810
201911
202020
202110
202201

By publication year. Applications have been published since 2001.