CA350486A - Light filter - Google Patents

Light filter

Info

Publication number
CA350486A
CA350486A CA350486A CA350486DA CA350486A CA 350486 A CA350486 A CA 350486A CA 350486 A CA350486 A CA 350486A CA 350486D A CA350486D A CA 350486DA CA 350486 A CA350486 A CA 350486A
Authority
CA
Canada
Prior art keywords
light filter
filter
light
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
CA350486A
Other languages
French (fr)
Inventor
Merkel Erich
Wiegand Christian
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.)
Winthrop Chemical Co Inc
Original Assignee
Winthrop Chemical Co Inc
Publication date
Application granted granted Critical
Publication of CA350486A publication Critical patent/CA350486A/en
Expired legal-status Critical Current

Links

CA350486A Light filter Expired CA350486A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA350486T

Publications (1)

Publication Number Publication Date
CA350486A true CA350486A (en) 1935-05-21

Family

ID=35338450

Family Applications (1)

Application Number Title Priority Date Filing Date
CA350486A Expired CA350486A (en) Light filter

Country Status (1)

Country Link
CA (1) CA350486A (en)

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