Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| D616018 | Electronic polling device | 05/18/2010 |
| D613330 | Calculator with maze game | 04/06/2010 |
| D597590 | Self-correcting abacus | 08/04/2009 |
| D578564 | Table-top voting machine | 10/14/2008 |
| D537469 | Voting terminal and keypad | 02/27/2007 |
| D521050 | Voting terminal and stand | 05/16/2006 |
| D521051 | Voting terminal | 05/16/2006 |
| D515619 | Pair of enclosure doors | 02/21/2006 |
| D514152 | Liquid container for calculator | 01/31/2006 |
| D513762 | Abacus | 01/24/2006 |
| 6315675 | Score counter for billiards game A score counter includes a bar having two spheres on two ends thereof so as to fix the bar by engaging the two spheres with relative members. A plurality of retaining members each have a score marked therein and extend from an outside of the bar. A plural... | 11/13/2001 |
| 5585612 | Method and apparatus for voting A voting machine is provided allowing an illiterate, sight impaired or blind individual to cast a vote in privacy and without assistance from another party. The voting machine includes a ballot box having a plurality of voting mechanisms for allowing the ... | 12/17/1996 |
| 5093760 | Calculator having a thin resilient clip disposed about the outer periphery A clip-on calculator assembly comprising a thin calculator housing containing a calculator and a thin resilient clip disposed about the outer periphery of the calculator housing. The clip is integrally connected to a portion of the calculator housing. Spa... | 03/03/1992 |
| 4943868 | Handy image data filing apparatus A handy image data filing apparatus is disclosed, which is made up of a hand scanner as an image data reading device and an IC memory card as an image data storing medium. Image data on an object such as a name card is read by the hand scanner, and filed ... | 07/24/1990 |
| 4844629 | Electronic labeler with printhead and web sensor combined for concurrent travel, and assemblies of identification devices therefor An electronic labeling machine is disclosed which includes a printing mechanism with a carriage adapted for horizontal travel across assemblies of identification devices to be imprinted. A web sensor is attached to the carriage for concurrent travel there... | 07/04/1989 |
| 4525075 | Electronic wristwatch with printer function An electronic wristwatch with a printer has a printing head which is arranged inside a wristwatch case with a recording paper loading portion and which performs printing on the recording paper. The printing head is moved by an operation member, and a disp... | 06/25/1985 |
| 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 |
| 4379336 | Modular calculator with separable keyboard and display modules A modular calculator system using interchangeable input modules and output modules provides several different calculators using the same output display components to avoid expensive duplication of parts. The input module contains the calculator keyboard a... | 04/05/1983 |
| 4367526 | Golf calculator An electronic calculator is disclosed for use in golf play and includes a keyboard providing a number of keys or switches representative of digits and commands. A preprogrammed microprocessor functions in combination with the keyboard and memory means to ... | 01/04/1983 |
| 4227643 | Electronic voting machine An electronic memory stores votes cast for candidates by means of voting switches which are actuated by the voter. Shields mounted on hinges can be positioned over the switches. The shields have cut-out portions thereon which expose the switches. The vote... | 10/14/1980 |
| 4142236 | Electronic scorecard for golf An electronic scorecard for golf includes a keyboard having keys or switches representative of the digits 0-9 and commands. A preprogrammed microprocessor is responsive to manipulation of the keyboard to store in memory golf course data and player scoring... | 02/27/1979 |
