| 4654793 |
System and method for registering and keeping track of the activities of attendees at a trade show, convention or the like |
| Mar-31-1987 |
A system and method for registering and keeping track of the activities of attendees at a trade show, convention or the like. Each registrant is assigned a unique registration number, which is printed... |
| 4593376 |
System for vending program cartridges which have circuitry for inhibiting program usage after preset time interval expires |
| Jun-3-1986 |
A vending machine stores a plurality of video game programs which may be selected for purchase. The game program is transferred to a programmable cartridge which the user inserts into the machine. The... |
| 4549264 |
Time and accounting system |
| Oct-22-1985 |
A system for automatically logging the interaction between a plurality of objects. Small, self-contained transmitting beacon units are attached to a first set of objects. These beacon units transmit a... |
| 4506274 |
Time card recorder and method for identifying employee work schedule |
| Mar-19-1985 |
A time card recorder for recording an employee's clocking times, such as his clocking-in and clocking-out times at the beginning and end of a work period, upon a time card and for indicating a relationship... |
| 4409657 |
Time clock for recording the identification of a person |
| Oct-11-1983 |
A time clock and/or computer system has a central management office with readout communication to factory work stations. Work instructions to the work stations are displayed for the foreman who prints... |
| 4392119 |
Apparatus and method for monitoring the arrival and duration of stay of a vehicle at a drive-in window |
| Jul-5-1983 |
Apparatus for sensing the arrival of a motor vehicle at the pick-up window of a drive-thru business and providing a visual display of the length of time that the motor vehicle is present at the window.... |
| 4333085 |
Time recorder |
| Jun-1-1982 |
A data recorder for use in processing cards and the like comprises a housing which has mounted therein electronic control system incorporating both firmware and software programs. A thermal printer and... |
| 4170015 |
Time clock device |
| Oct-2-1979 |
This invention relates to a new time clock system comprising a memory counter which counts seconds, minutes, hours, days, months and years for a 9,999 year period; a microprocessor which controls the counting... |
| 4164038 |
Combination calculator and time billing device |
| Aug-7-1979 |
A portable calculator is adapted to provide a time billing function and a calculating function. A "stop watch" function is actuated to start the billing period and stop the billing period attributable... |
