Filings by year

G03B 2217/247: granted patents and published applications per publication year
YearGranted patentsPublished applications
197910
198000
198100
198200
198300
198400
198520
198610
198710
198810
198930
199000
199140
199260
199330
199430
199550
199650
199760
1998100
199950
2000110
200144
200273
200350
200411

By publication year. Applications have been published since 2001.