| SAMUELMORSE | Portrait painter who patented the telegraph (6,5) |
| LUMIERE | French word for light; or, the name of the film-maker brothers who patented the cinematograph (7) |
| SPENCER | Percy ___, US physicist who patented the microwave oven (eventually called the Radarange) in 1945 (7) |
| BIRO | Laszlo ___, Hungarian journalist who patented the first practical ballpoint pen (4) |
| CH | Who patented the detector lock in 1818? (5) |
| BAUER | Eddie who patented the first quilted down jacket |
| ELI | Whitney who patented the cotton gin |
| RICHARD | British cotton manufacturer who patented the spinning frame in 1769 (7) |
| ARKWRIGHT | British cotton manufacturer who patented the spinning frame in 1769 (9) |
| ELIAS | Howe who patented the lockstitch sewing machine |
| SAMUELCOLT | *Inventor who patented the first revolver [stallion] |
| EASTMAN | George ___, US entrepreneur who patented the Kodak camera in 1888 (7) |
| HOWE | US inventor who patented the world's first lockstitch sewing machine (4) |
| ELIASHOWE | US inventor who patented the first lockstitch sewing machine in 1846 (5,4) |
| WHITTLE | Frank, English aeronautical engineer who patented the first jet engine in 1930 (7) |
| GATLING | Richard J. ___, US inventor who patented the first practical machine gun in 1862 (7) |
| LASZLOBIRO | Hungarian-born inventor who patented the first modern ballpoint pen (6,4) |
| COCHRANE | Inventor who patented the first commercially successful dishwasher in 1886 (9,8) |
| JOSEPHINE | Inventor who patented the first commercially successful dishwasher in 1886 (9,8) |
| PRETENTIOUS | Papa keeping final letter under wraps (before the Telegraph becomes affected?) (11) |
