Filings by year

G03B 21/46: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198100
198200
198310
198400
198510
198600
198700
198800
198900
199000
199100
199220
199300
199400
199500
199600
199710
199800
199910
200010
200100
200210
200301
200401
200501
200601
200700
200800
200900
201000
201100
201200
201300
201400
201500
201600
201700
201800
201900
202000
202101
202210

By publication year. Applications have been published since 2001.