| BIRO | LA¡szlAA³ __, inventor who patented his ballpoint pen in 1938 (4) |
| NASMYTH | James ___, Scottish engineer who patented his design for the steam hammer in 1842 (7) |
| DREBBEL | Cornelis ___, inventor who built the first navigable submarine in 1620 |
| DVORAK | August ____ patented his alternative to the Qwerty keyboard layout in 1936 |
| WATT | Scottish engineer and inventor who patented 'A new method of lessening the consumption of steam and fuel in fireengines' in 1769 (4) |
| COLT | US inventor who patented a revolver in 1836 (4) |
| HOWE | US inventor who patented the world's first lockstitch sewing machine (4) |
| MIRO | Name, similar to that of a ballpoint pen, of a Spanish surrealist whose "dream paintings" are characterised by spiky or amoebic shapes in primary colours, outlined in black (4) |
| LASZLOBIRO | Hungarian-born inventor who patented the first modern ballpoint pen (6,4) |
| ALVA | American who patented over 1000 inventions including the microphone (6,4,6) |
| SHAW | Percy ___, inventor of the Cat's eye road stud (4) |
| DAVY | Sir Humphry ___, inventor of the miners' safety lamp (4) |
| SAMUELCOLT | US inventor who patented the first practical single-barrelled revolver in England in 1835 (6,4) |
| OTIS | Elisha ___, inventor of the elevator (4) |
| TULL | Jethro ___, inventor of the seed drill (4) |
| MATE | Paper ___ (brand of ballpoint pen) |
| CLIC | ___ Stic (ballpoint pen) |
| INKY | Stained by a leaky ballpoint pen |
| ALDISLAMP | Handheld lantern used for signalling in Morse code, named for the British inventor who patented it in 1944 (5,4) |
| ELIASHOWE | US inventor who patented a lockstitch sewing machine in 1846 (5,4) |
