CA298539A - Contact and filter apparatus - Google Patents

Contact and filter apparatus

Info

Publication number
CA298539A
CA298539A CA298539A CA298539DA CA298539A CA 298539 A CA298539 A CA 298539A CA 298539 A CA298539 A CA 298539A CA 298539D A CA298539D A CA 298539DA CA 298539 A CA298539 A CA 298539A
Authority
CA
Canada
Prior art keywords
contact
filter apparatus
filter
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
CA298539A
Other languages
French (fr)
Inventor
Vaughn Aycock Robert
Detwiller Harris William
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 CA298539A publication Critical patent/CA298539A/en
Expired legal-status Critical Current

Links

CA298539A Contact and filter apparatus Expired CA298539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA298539T

Publications (1)

Publication Number Publication Date
CA298539A true CA298539A (en) 1930-03-25

Family

ID=35235858

Family Applications (1)

Application Number Title Priority Date Filing Date
CA298539A Expired CA298539A (en) Contact and filter apparatus

Country Status (1)

Country Link
CA (1) CA298539A (en)

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