CA512873A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Lens blocking devices
Assignee: American Optical Corp
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Filing: —
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Granted: 1955-05-17
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Expires: 1972-05-17
Abstract
No abstract record available.
Inventors
- 👤 G. Silverberg Carl
- 👤 P. Bernheim Daniel
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
—
Claims Analysis
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References Cited (Backward Citations)
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