Worst case scenario, I would mail the owners. Patents are acquired for countries. Maybe your country isn't in the patent list or patent doesn't have a copyright protection. Best way to learn it is asking the owner. I would suggest strongly to be open and clear about how and why are you using these methods. Also, I am not your lawyer and cannot give you legal advice :)
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Worst case scenario, I would mail the owners. Patents are acquired for countries. Maybe your country isn't in the patent list or patent doesn't have a copyright protection. Best way to learn it is asking the owner. I would suggest strongly to be open and clear about how and why are you using these methods. Also, I am not your lawyer and cannot give you legal advice :)