Josef Knapp

Josef Knapp patented a design for balloons, with a rubber material with red woven fabric inside and yellow woven fabric outside. He filed from or for: Firm Josef Knapp, Dyers, Mollandgasse 28, Vienna VI, in the Austrian Empire

Patents whose inventor or applicant is Josef Knapp or Josef Jun Knapp

• Patent AT-1909-42853 (English title: Balloon hull, Filing date: 1909-07-19)
• Patent FR-1910-412037 (English title: Balloon envelope, Supplementary to patent: Patent AT-1909-42853, Filing date: 1910-01-29)
• Patent GB-1910-2247 (English title: An Improvement in Balloon-envelopes, Supplementary to patent: Patent AT-1909-42853, Filing date: 1910-12-08)

References

Names	Josef Knapp; Josef Jun Knapp
Birth date
Death date
Countries	AT
Locations	Vienna
Occupations	Dyer
Tech areas	Fabric, Envelopes
Affiliations	Firm Josef Knapp
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