Given exclusive rights to an invention

• Protected by Government grant
• Uncopiable, say
• Inimitable, in a way
• Old man sheltered and legally protected
• Unduplicatable, in a way
• Protected, for inventors
• Protected from copycats
• Like over 1,300 of Edison's inventions
• Protected, in a way

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