Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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| Number | Title | Issue Date |
| 5433015 | Tool for measuring a clamping force exerted by a movable spindle of a length measuring instrument A tool for measuring and checking the clamping force exerted by a movable spindle of a length measuring instrument such as a micrometer comprises a housing which is arranged to receive the free end of the spindle when a rim of the housing is placed agains... | 07/18/1995 |
| 4979312 | Arch wire torque measuring device A method and device for measuring torque in a rectangular or square orthodontic arch wire wherein the orthodontic arch wire is held relative to the torque indicator scale in such a manner that the presence and amount of torque in the orthodontic arch wire... | 12/25/1990 |
| 4922307 | Method and apparatus for improving the measuring accuracy of a micrometer This invention provides apparatus and method to increase the direct measurement accuracy of a rotary encoder type of micrometer 10. To overcome a maximum measurement accuracy of 100 microinches there is provided a laser displacement meter which includes a... | 05/01/1990 |
| 4437241 | Measuring instrument and method A measuring device, such as a micrometer or other form of dimensional measuring instrument, capable of indicating a dimensional measurement by means of sounds of speech such as a train of numbers defining the measurement made. In one form, the device has ... | 03/20/1984 |
| 4223444 | Acoustic micrometer An acoustic micrometer for measuring the exact distance between two electrically interconnected metallic objects is disclosed. The micrometer comprises a micrometer head having an electrical contact at one end adapted to engage one of the metallic objects... | 09/23/1980 |
