CA272957A - Non-plugging device - Google Patents

Non-plugging device

Info

Publication number
CA272957A
CA272957A CA272957A CA272957DA CA272957A CA 272957 A CA272957 A CA 272957A CA 272957 A CA272957 A CA 272957A CA 272957D A CA272957D A CA 272957DA CA 272957 A CA272957 A CA 272957A
Authority
CA
Canada
Prior art keywords
plugging device
plugging
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
CA272957A
Other languages
French (fr)
Inventor
L. Miller Henry
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 CA272957A publication Critical patent/CA272957A/en
Expired legal-status Critical Current

Links

CA272957A Non-plugging device Expired CA272957A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA272957T

Publications (1)

Publication Number Publication Date
CA272957A true CA272957A (en) 1927-08-09

Family

ID=35202988

Family Applications (1)

Application Number Title Priority Date Filing Date
CA272957A Expired CA272957A (en) Non-plugging device

Country Status (1)

Country Link
CA (1) CA272957A (en)

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