| Inventor of the diving bell | 27 |
| Inventor of the gramophone | 26 |
| Inventor of the Internet? | 25 |
| Inventor of the Motorwagen | 26 |
| Inventor of the phonograph | 26 |
| Inventor of the revolver | 24 |
| Inventor of the stage? | 22 |
| Inventor of the steel plow | 26 |
| Inventor of the stock ticker | 28 |
| Inventor of the telephone | 25 |
| Inventor Whitney et al. | 24 |
| Inventor Whitney, for one | 25 |
| Inventor who rivaled Tesla | 26 |
| Inventor who saw the light | 26 |
| Inventor with a bright idea | 27 |
| Inventor with a bright idea? | 28 |
| Inventor's brainchild | 25 |
| Inventor's center? | 22 |
| Inventor's challenge? | 25 |
| Inventor's concern | 22 |
| Inventor's document | 23 |
| Inventor's first step | 25 |
| Inventor's goal, perhaps | 28 |
| Inventor's incentive | 24 |
| Inventor's initials | 23 |
| Inventor's inkling | 22 |
| Inventor's insurance | 24 |
| Inventor's legal document | 29 |
| Inventor's middle name | 26 |
| Inventor's milestone | 24 |
| Inventor's monogram | 23 |
| Inventor's possession | 25 |
| Inventor's pride and joy | 28 |
| Inventor's protection | 25 |
| Inventor's protections | 26 |
| Inventor's safeguards | 25 |
| Inventor's specialty | 24 |
| Inventor's springboard | 26 |
| Inventor's starting point | 29 |
| Inventor's stock-in-trade | 29 |
| Inventor's undoing? | 23 |
| Inventor's workplace | 24 |
| Inventor-clockmaker Terry | 25 |
| Inventors of new words | 22 |
| Inventors' concerns | 23 |
| Inventors' papers: Abbr. | 28 |
| Inventors' workplaces | 25 |
| Inventory at a cooperage | 24 |
| Inventory contents: Abbr. | 25 |
| Inventory evaluation meth. | 26 |
| Inventory item's place | 26 |
| Inventory reduction ploy | 24 |
| Inventory system, for short | 27 |
| Inventory-tracking device | 25 |
| Inverness inhabitant, e.g. | 26 |
| Inverse of "floods" | 29 |
| Inverse of a knit stitch | 24 |
| Inverse, in trig functions | 26 |
| Invert and use a pencil | 23 |
| Invert one's pencil | 23 |
| Invert, as an apple cart | 24 |
| Invertebrate's lack | 23 |
| Inverted "e" | 22 |
| Inverted Jenny is a rare one | 28 |
| Inverted omega, symbolically | 28 |
| Inverted V, on a frat sweater | 29 |
| Inverts stitches in knitting | 28 |
| Invest with sovereignty | 23 |
| Invest, as with a quality | 25 |
| Invested with responsibility | 28 |
| Investigate anew, as a case | 27 |
| Investigate from time to time | 29 |
| Investigate surreptitiously | 27 |
| Investigate thoroughly | 22 |
| Investigate, as a dog does | 26 |
| Investigate, as a toy mouse | 27 |
| Investigate, canine-style | 25 |
| Investigate, kitten-style | 25 |
| Investigate, tabby-style | 24 |
| Investigating maraschinos? | 26 |
| Investigation culmination | 25 |
| Investigation revelation | 24 |
| Investigation, for short | 24 |
| Investigative procedures | 24 |
| Investigative reporter, often | 29 |
| Investigator for short | 23 |
| Investigator from the P.D. | 26 |
| Investigator's question | 27 |
| Investigator's sources | 26 |
| Investigator, at times | 22 |
| Investigator, informally | 24 |
| Investigator, of sorts | 22 |
| Investigator, slangily | 22 |
| Investigators of funny money | 28 |
| Investigators, for short | 24 |
| Investing advice: 2 wds. | 24 |
| Investing considerations | 24 |
| Investing in a growth company | 29 |
| Investing opportunity (abbr.) | 29 |
| Investing plan, for short | 25 |