ppl. a. (UN-1 8.)

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1719.  W. Wood, Surv. Trade, 160. Any Land … that is unpatented, or not granted to some particular Person.

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1809.  Malkin, Gil Blas, VIII. ix. ¶ 2. Invested with full powers to make the world his oyster, and leave nothing but the shell to his unpatented competitors.

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1879.  Cassell’s Techn. Educ., IV. 33/1. Unpatented Inventions.

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1903.  Westm. Gaz., 27 Aug., 2/2. The various patented and unpatented medicines of the present day.

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