Visual observation means

IL44936A0Inactive Publication Date: 1974-12-31STAFFORD MALCOLM ELLIS
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Patent Information

Application Number
IL44936
Authority / Receiving Office
IL · IL
Patent Type
Applications
Current Assignee / Owner
Priority Date
1973-11-28
Filing Date
1974-05-31
Publication Date
1974-12-31
Estimated Expiration
Not applicable · inactive patent
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