AU1758728A - Improvements in helicopters - Google Patents

Improvements in helicopters

Info

Publication number
AU1758728A
AU1758728A AU17587/28A AU1758728A AU1758728A AU 1758728 A AU1758728 A AU 1758728A AU 17587/28 A AU17587/28 A AU 17587/28A AU 1758728 A AU1758728 A AU 1758728A AU 1758728 A AU1758728 A AU 1758728A
Authority
AU
Australia
Prior art keywords
helicopters
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
AU17587/28A
Inventor
Evangelist Hess John
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of AU1758728A publication Critical patent/AU1758728A/en
Expired legal-status Critical Current

Links

AU17587/28A 1928-12-28 Improvements in helicopters Expired AU1758728A (en)

Publications (1)

Publication Number Publication Date
AU1758728A true AU1758728A (en) 1930-01-28

Family

ID=

Similar Documents

Publication Publication Date Title
AU1758728A (en) Improvements in helicopters
AU1583228A (en) Improvements in aircraft
CA280693A (en) Helicopter
CA281778A (en) Helicopter
AU1213228A (en) Improvements in propellers
AU1375728A (en) Improvements in bootheels
AU1145628A (en) Improvements in gas-ovens
AU1403628A (en) Improvements in bootsoles
AU904527A (en) Improvements in tin-boxes
AU1293328A (en) Improvements in matchbooks
AU1238328A (en) Improvements in diecasting-machines
AU1596728A (en) Improvement in bottlecap
CA280323A (en) Aeroplane
CA284142A (en) Aeroplane
CA284285A (en) Aeroplane
CA279762A (en) Aeroplane
CA283320A (en) Aeroplane
CA281088A (en) Aeroplane
CA281916A (en) Aeroplane
CA282548A (en) Aeroplane
CA284270A (en) Parachute
CA284687A (en) Parachute
CA284191A (en) Airplane
CA285679A (en) Air-ship
CA283475A (en) Aircraft