I found some old airplane designs from a company that went out of business. I want to build a variation on this design. Can I build this without permission? - Quora
Microlight and Ultralight Aircraft | The most dramatic take-off I ever heard Allen explain | Facebook
![I found some old airplane designs from a company that went out of business. I want to build a variation on this design. Can I build this without permission? - Quora I found some old airplane designs from a company that went out of business. I want to build a variation on this design. Can I build this without permission? - Quora](https://qph.cf2.quoracdn.net/main-thumb-36411541-200-fuexfxkizfsldjfanjvosijuxpztveqk.jpeg)
I found some old airplane designs from a company that went out of business. I want to build a variation on this design. Can I build this without permission? - Quora
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