CA608141A - Underwater viewing device - Google Patents

Underwater viewing device

Info

Publication number
CA608141A
CA608141A CA608141A CA608141DA CA608141A CA 608141 A CA608141 A CA 608141A CA 608141 A CA608141 A CA 608141A CA 608141D A CA608141D A CA 608141DA CA 608141 A CA608141 A CA 608141A
Authority
CA
Canada
Prior art keywords
viewing device
underwater viewing
underwater
viewing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA608141A
Inventor
O. Shaw John
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA608141A publication Critical patent/CA608141A/en
Expired legal-status Critical Current

Links

CA608141A Underwater viewing device Expired CA608141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA608141T

Publications (1)

Publication Number Publication Date
CA608141A true CA608141A (en) 1960-11-08

Family

ID=35829632

Family Applications (1)

Application Number Title Priority Date Filing Date
CA608141A Expired CA608141A (en) Underwater viewing device

Country Status (1)

Country Link
CA (1) CA608141A (en)

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