G02B 6/4473

Three-way systems

Official title: {Three-way systems}

G02B6/4473 (Three-way systems) appears on 67 US grants and 73 published applications in this corpus.

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Granted patents
67
Published applications
73
Assignees
32
Inventors
130
Latest grant
24 Mar 2026

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G02B 6/4473: granted patents and published applications per publication year
YearGranted patentsPublished applications
198810
198900
199000
199110
199250
199320
199400
199510
199600
199700
199800
199900
200000
200110
200211
200311
200400
200511
200613
200711
200825
200922
201042
201110
201201
201301
201406
201514
201655
201748
201871
201933
202036
202134
202224
202355
202444
202534
202621

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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