CA291820A - Rotary propeller - Google Patents

Rotary propeller

Info

Publication number
CA291820A
CA291820A CA291820A CA291820DA CA291820A CA 291820 A CA291820 A CA 291820A CA 291820 A CA291820 A CA 291820A CA 291820D A CA291820D A CA 291820DA CA 291820 A CA291820 A CA 291820A
Authority
CA
Canada
Prior art keywords
rotary propeller
propeller
rotary
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
CA291820A
Other languages
French (fr)
Inventor
Fritz Amandus Emil Grumpelt Oskar
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.)
Vaprog Patent-Verwertungsgesellschaft Mbh Zur Werwertung Von Vacuum-P Ropeller-Erfindungen
Original Assignee
Vaprog Patent-Verwertungsgesellschaft Mbh Zur Werwertung Von Vacuum-P Ropeller-Erfindungen
Publication date
Application granted granted Critical
Publication of CA291820A publication Critical patent/CA291820A/en
Expired legal-status Critical Current

Links

CA291820A Rotary propeller Expired CA291820A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA291820T

Publications (1)

Publication Number Publication Date
CA291820A true CA291820A (en) 1929-07-30

Family

ID=35228632

Family Applications (1)

Application Number Title Priority Date Filing Date
CA291820A Expired CA291820A (en) Rotary propeller

Country Status (1)

Country Link
CA (1) CA291820A (en)

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