| At any rate, information about unpatented inventions may be held secret during surveys as well. |
| He says he dreamt it up a decade back but allowed it to go unpatented. |
| When the first English packaged medicine, patented or unpatented, came to the New World, cannot be told. |
| Also, the natural, unpatented tobacco plant is yet unstudied for its potentially negative effects. |
| By the time he died, Crompton was an embittered man having made little or no money from his invention which was unpatented and, therefore, copied by many. |
| China is suspected of hiring scientists to spy and steal unpatented research from Swedish universities, Swedish public radio reported on Monday. |
