CH30870A - Ventilation device on footwear - Google Patents

Ventilation device on footwear

Info

Publication number
CH30870A
CH30870A CH30870A CH30870DA CH30870A CH 30870 A CH30870 A CH 30870A CH 30870 A CH30870 A CH 30870A CH 30870D A CH30870D A CH 30870DA CH 30870 A CH30870 A CH 30870A
Authority
CH
Switzerland
Prior art keywords
footwear
ventilation device
ventilation
Prior art date
Application number
CH30870A
Other languages
German (de)
Inventor
Eugen Wallerstein
Original Assignee
Eugen Wallerstein
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 Eugen Wallerstein filed Critical Eugen Wallerstein
Publication of CH30870A publication Critical patent/CH30870A/en

Links

CH30870A 1904-06-25 1904-06-25 Ventilation device on footwear CH30870A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH30870T 1904-06-25

Publications (1)

Publication Number Publication Date
CH30870A true CH30870A (en) 1905-02-15

Family

ID=4248320

Family Applications (1)

Application Number Title Priority Date Filing Date
CH30870A CH30870A (en) 1904-06-25 1904-06-25 Ventilation device on footwear

Country Status (1)

Country Link
CH (1) CH30870A (en)

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