"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7367862 | Firecracker simulating device A firecracker simulating device includes a plate, an actuating device attached to the plate and extended outwardly from the plate, a number of balloons are strung together, and a forcing device may be used for forcing the balloons to engage with the actuating device... | 05/06/2008 |
| 4261283 | Drop marker This invention is directed to a marker which can be dropped from an aircraft, such as an airplane or a helicopter, so that the pilot of an airplane can see the marker on the ground or on the growing plants and trees, and know, when he is in the aircraft, ... | 04/14/1981 |