| Answer | Crossword Clue |
|---|---|
| PATENTED | Registered, as an invention |
| PATENTED | Protected, as an invention. |
| PATENTED | Secured, as an invention. |
| PATD | Protected, as an invention (abbr.) |
| PATENTING | Making legal, as an invention |
| PATENTED | Protected, as an invention, by Government letters. |
