G09B 11/06

Devices involving the use of transparent or translucent tracing material

Official title: Devices involving the use of transparent or translucent tracing material, e.g. copy books

G09B11/06 (Devices involving the use of transparent or translucent tracing material) appears on 35 US grants and 27 published applications in this corpus.

Search patents in G09B
Granted patents
35
Published applications
27
Assignees
15
Inventors
66
Latest grant
10 Sep 2024

Filings by year

G09B 11/06: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198010
198100
198200
198300
198430
198500
198620
198700
198800
198900
199000
199100
199210
199330
199400
199520
199610
199700
199810
199910
200000
200111
200202
200322
200410
200502
200621
200721
200812
200900
201002
201111
201203
201301
201401
201503
201610
201700
201803
201901
202041
202100
202230
202300
202410

By publication year. Applications have been published since 2001.