Filings by year

G09B 9/066: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197710
197800
197910
198010
198110
198200
198300
198420
198500
198610
198700
198800
198910
199000
199110
199200
199300
199400
199500
199600
199710
199800
199900
200000
200100
200200
200300
200400
200500
200600
200700
200800
200913
201010
201102
201202
201301
201411
201522
201612
201721
201821
201904
202020
202102
202220
202311

By publication year. Applications have been published since 2001.