Patent US1801258A successfully refreshed from Google Patents.
Patent CA964504A successfully refreshed from Google Patents.
CA964504A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Light wave coupling into thin film light guides
Assignee: AT&T Inc
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Filing: 1971-03-11
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Granted: 1975-03-18
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Expires: 1991-03-11
Abstract
No abstract record available.
Inventors
- 👤 Herwig W. Kogelnik
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-01 08:54
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/26; G02B6/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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