FR491414A - Improvements made to propellers and their manufacturing method - Google Patents

Improvements made to propellers and their manufacturing method

Info

Publication number
FR491414A
FR491414A FR491414DA FR491414A FR 491414 A FR491414 A FR 491414A FR 491414D A FR491414D A FR 491414DA FR 491414 A FR491414 A FR 491414A
Authority
FR
France
Prior art keywords
propellers
manufacturing
improvements made
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
Other languages
French (fr)
Inventor
Thomas Andrew Dicks
James Beecher Luttrell
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.)
JAMES BEECHER LUTTRELL
Original Assignee
JAMES BEECHER LUTTRELL
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JAMES BEECHER LUTTRELL filed Critical JAMES BEECHER LUTTRELL
Application granted granted Critical
Publication of FR491414A publication Critical patent/FR491414A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/78—Making other particular articles propeller blades; turbine blades
FR491414D 1918-08-22 1918-08-22 Improvements made to propellers and their manufacturing method Expired FR491414A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR491414T 1918-08-22

Publications (1)

Publication Number Publication Date
FR491414A true FR491414A (en) 1919-06-03

Family

ID=1527422

Family Applications (1)

Application Number Title Priority Date Filing Date
FR491414D Expired FR491414A (en) 1918-08-22 1918-08-22 Improvements made to propellers and their manufacturing method

Country Status (1)

Country Link
FR (1) FR491414A (en)

Similar Documents

Publication Publication Date Title
FR491414A (en) Improvements made to propellers and their manufacturing method
FR489978A (en) Improvements to ships and their construction method
FR498848A (en) Improvements to reflectors and their manufacturing process
FR493921A (en) Improvements to artificial limbs and their manufacturing method
FR501744A (en) Improvements to shoes and their manufacture
FR496718A (en) Improvements made and relating to airplanes
FR507991A (en) Advanced wheels and how they are made
FR505250A (en) Improvements made to doll beds and their manufacturing process
FR493600A (en) Air filter
FR493601A (en) Air filter
FR497275A (en) Improvements to airplanes
FR490964A (en) Improvements made to mechanical wheelchairs
FR497720A (en) Improvements to aircraft
FR509583A (en) Improvements to chucks and their production
FR502146A (en) Improvements to constructions
FR506641A (en) Improvements to propellers
FR496270A (en) Oscillating cell airplane
FR501634A (en) Improvements to knitted fabrics and their manufacturing method
FR494932A (en) Improvements made to the construction of the fuselage of airplanes
FR496893A (en) Improvements to airplanes
FR505728A (en) Improvements to airplanes
FR515895A (en) Improvements to airplanes
FR540281A (en) Improvements to airplanes
FR503505A (en) Improvements to airplanes
FR500106A (en) Improvements to airplanes