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| Number | Title | Issue Date |
| 5894093 | Dual mode vent plug for a pressure gauge An improved closure for a pressure gauge includes a stem or a sleeve which selectively provides a vent path when set by the end user. The closure device provides an automatic venting if in the normally closed condition by means of an overpressure valve ar... | 04/13/1999 |
| 5492136 | Eyelash-curling apparatus The apparatus for curling eyelashes comprises a handgrip which can be comforably held in the hand. A shaft is rotatably mounted on the handgrip and has a brush mounted on the shaft which is rotatable with the shaft using, for example, a thumbwheel attache... | 02/20/1996 |
| 5470148 | Portable cement-mixing apparatus having upper and lower notched plates affixed to a shaft The apparatus for mixing cement includes a shaft connected to an engine for rotating the shaft. The shaft has mounted thereon a plurality of paddles for providing a pushing force and arranged so as to channel the flow of cement mix about the shaft to allo... | 11/28/1995 |
| 5374384 | Modeling medium A novel modeling medium comprises a mixture of an organic ductile wax binder and a mica platelet filler which is mechanically worked while the material is in a semisolid state to evenly distribute the mica platelets throughout the mixture. The material ex... | 12/20/1994 |
| 5372387 | Security device for document protection The document or substrate containing the information to be protected is covered with a liquid crystal or other such material capable of being made transparent using a process such as heating it to a higher temperature than ambient room temperature. In thi... | 12/13/1994 |
| 5365589 | Method and apparatus for encryption, decryption and authentication using dynamical systems A method and apparatus provide encryption, decryption and authentication of messages using dynamical systems. The method and apparatus preferably operate on an information stream which may comprise message information, authentication information, and rand... | 11/15/1994 |
| 5290304 | Trocar system A trocar system comprises a trocar housing, a pointed stylet arranged so that the pointed tip can be selectively extended outwardly (distally) from the trocar housing, a return spring in the trocar housing for retracting the stylet into the housing and a ... | 03/01/1994 |
| 5217775 | Dispatch goods label and process for making it A dispatch goods label consists of a loop section and an adjoining section which are both detachably connected with one another via a perforation. A respective adhesive layer of the loop section and the adjoining section ends at a distance from the perfor... | 06/08/1993 |
| 5154174 | Electrode for electroretinography and method of use An electrode for electroretinography comprises a plastically deformable, self-supporting, filamentary electrically conductive member having first and second electrically insulated zones between which a portion of the member is exposed as an electrical con... | 10/13/1992 |
| 4675841 | Micro computerized electronic postage meter system An advanced electronic postage meter system is described, which is built around a micro computer set. The micro computer set is of LSI design, and comprises a single chip central processor unit (CPU) which performs all control and data processing function... | 06/23/1987 |
