Filings by year

G03B 27/581: granted patents and published applications per publication year
YearGranted patentsPublished applications
198110
198200
198310
198410
198510
198610
198710
198810
198910
199000
199110
199200
199300
199400
199500
199600
199700
199800
199900
200000
200100
200200
200300
200400
200500
200600
200701
200800
200900
201000
201110
201200
201302
201400
201511

By publication year. Applications have been published since 2001.