Filings by year

G03B 27/20: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197750
197800
197900
198050
198140
198260
198300
198450
198580
1986120
1987120
198880
198930
1990110
1991160
199290
199330
199470
199580
199620
199730
199820
199930
200010
200100
200200
200312
200420
200500
200601
200700
200810
200900
201000
201100
201200
201300
201400
201500
201611
201700
201810

By publication year. Applications have been published since 2001.