Inimitable, in a way

• Unduplicatable, in a way
• Given exclusive rights to an invention
• Protected from copycats
• Protected an invention
• Like over 1,300 of Edison's inventions
• Old man sheltered and legally protected
• Protected, for inventors
• Protected, in a way

Wiktionary Word definitions in Wiktionary
For which a patent has been granted. v (en-past of: patent )

WordNet Word definitions in WordNet
adj. (of devices and processes) protected by patent; "they are patented inventions"