CA94461A - Optical projection apparatus - Google Patents

Optical projection apparatus

Info

Publication number
CA94461A
CA94461A CA000094461A CA94461DA CA94461A CA 94461 A CA94461 A CA 94461A CA 000094461 A CA000094461 A CA 000094461A CA 94461D A CA94461D A CA 94461DA CA 94461 A CA94461 A CA 94461A
Authority
CA
Canada
Prior art keywords
projection apparatus
optical projection
optical
projection
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
CA000094461A
Other languages
French (fr)
Inventor
Albert Thornton Thompson
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA94461A publication Critical patent/CA94461A/en
Expired legal-status Critical Current

Links

CA000094461A 1905-04-25 1905-04-25 Optical projection apparatus Expired CA94461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA94461T 1905-04-25

Publications (1)

Publication Number Publication Date
CA94461A true CA94461A (en) 1905-08-01

Family

ID=45210995

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000094461A Expired CA94461A (en) 1905-04-25 1905-04-25 Optical projection apparatus

Country Status (1)

Country Link
CA (1) CA94461A (en)

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