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| Number | Title | Issue Date |
| 7270269 | Secure electronic voting device A secure device for electronic voting employs a write-once vote-recording medium. The medium has an initial writing mode in which data can be written but not read and a subsequent reading mode whereby data can be read but writing is permanently disabled. Once switch... | 09/18/2007 |
| 7054829 | Method and system for validating votes A method and system for validating the creation and submission of absentee ballots is provided. An authentication/validation mark is generated and printed on an absentee ballot and/or the envelope that contains the absentee ballot. The authentication/validation mark... | 05/30/2006 |
| 6804752 | Event data protection method for a flash programmable microprocessor-based control module A flash programmable microprocessor-based control module is operated in a manner to protect the integrity of event data stored in the programmable memory of the module while permitting authorized manufacturing and field alteration of the programmable memory with a D... | 10/12/2004 |
| 6628199 | Integrated pharmaceutical package and questionnaire A response form containing a means of input that on manual influence can switch a conducting electrical circuit connected to an electronic unit (40) incorporated into the response form for registration of the said influence. The present invention provides... | 09/30/2003 |
| 6581824 | Electronic voting system An electronic voting system with a headquarters unit, a plurality of precinct units, a plurality of voting stations associated with each precinct unit, and a plurality of mobile memory units (MMUs) to contain data that can be transported back and forth be... | 06/24/2003 |
| 5875432 | Computerized voting information system having predefined content and voting templates A computerized voting information system that encompasses one or more voting stations, at least one tabulation center and certification center, and a plurality of voters so as to automatically verify, manipulate, interchange, and manage all data and infor... | 02/23/1999 |
| 5821508 | Audio ballot system An electronic voting system is disclosed that provides voters who may be blind, illiterate, or conversant in a foreign language, with a means to enter selection information without having to rely on visually perceptible information. In accordance with exe... | 10/13/1998 |
| 4649264 | Electronic voting machine A portable, self-contained, programmable electronic voting machine includes a motor-driven scroll mechanism carrying a plurality of printed ballot sheets, the scroll mechanism presenting to a voter, in a controlled manner, only a preselected portion of th... | 03/10/1987 |
| 4488034 | Data registering apparatus A data registering apparatus includes a housing, a base member mounted to the housing and a resilient mat member mounted to the base member and having openings superimposed on the openings defined by the base member. The registering apparatus includes als... | 12/11/1984 |
| 4485298 | Perforating stylus A stylus for entering perforations in a prescored card for the recording of data thereon is disclosed. The perforating end of the stylus includes a conically-shaped center portion positioned within and projecting from a concave-shaped end surface having a... | 11/27/1984 |
| 4445731 | Portable voting booth A portable self-contained voting booth has improved features of compactness, lightness of weight, leg-holding stability, durability and convenience in use. Its carrying case includes interior corner members that both provide leg sockets for receiving legs... | 05/01/1984 |
| 3963899 | Voting machine A voting machine employs a scroll-type multi-layer ballot structure including removable strips carried by the upper layer and a pressure responsive means in the lower layer to reproduce markings made on the removable strips. Each removable strip carries a... | 06/15/1976 |
