"To place a man in a multi-stage rocket and project him into the controlling gravitational field of the moon where the passengers can make scientific observations, perhaps land alive, and then return to earth--all that constitutes a wild dream worthy of Jules Verne. I am bold enough to say that such a man-made voyage will never occur regardless of all future advances."
Lee deForest, American radio pioneer ; 1957
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| Number | Title | Issue Date |
| 5224287 | Rattrap A rattrap installation which includes a detector as well as power driven executing member for performance of successive operations after an automatic removal of previously executed rats. A device is provided for releasing a bait scent for a predetermined ... | 07/06/1993 |
| 5185953 | Rodent extermination device A rodent trap that is constructed with a housing having a rodent entry and containing a launching mechanism that is activated by a photo sensor when a rodent enters the housing, the launching mechanism ejecting the rodent through an opening in the top of ... | 02/16/1993 |
| 5107619 | Electric mouse trap An electric mouse trap is provided and consists of a solenoid powered by an electrical circuit mounted in a housing. The solenoid has a movable plunger pivotally connected to end of a trapping lever. An electric switch is carried on bottom of the housing ... | 04/28/1992 |
| 4854073 | Mouse exterminating device and method A mouse exterminating device and method is presented with improved safety features. Activated electrical circuitry causes the mouse to be suffocated by impingement of a horizontal blade while a thermal switch prevents the device from overheating thus redu... | 08/08/1989 |
| 4550524 | Rodent trap A rodent trap characterized by a rodent receiving chamber, a partition selectively movable across the chamber in a rodent eradicating relationship, a movable floor portion continually urged to an overlying position with respect to a rodent receiving tray,... | 11/05/1985 |
| 4483094 | Rodent exterminating apparatus A power operated rodent exterminating apparatus includes a pneumatic actuator for moving a pivotally mounted striking bar from a retracted position to a striking position and automatically returning to a retracted position. A detector plate is mounted on ... | 11/20/1984 |
| 4349980 | Rodent exterminating apparatus A rodent exterminating apparatus having a frame on which a pivotally mounted striking bar is operable to be moved from a retracted position to a striking position by a pneumatic actuator including a one way spring return rolling diaphragm operated plunger... | 09/21/1982 |