Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7430471 | Method and system for monitoring a vehicle A method for monitoring a vehicle includes detecting movement or activation of the vehicle, transmitting a signal indicating movement or activation of the vehicle, to a control center, transmitting any received operator identification information to the control cent... | 09/30/2008 |
| 7266507 | Time-based disablement of equipment A disabling module in communication with a control module operates to disable or partially disable equipment in response to the failure of a user to complete a specific task, such as make a loan or lease payment. When a user makes a payment on an outstanding loan, u... | 09/04/2007 |
| 6870467 | Tampering detector and system disabler A vehicle disablement device detects whether it has been tampered with. If the vehicle disablement device determines that it has been tampered with, the vehicle disablement device sends a signal to a tamper disabler. The tamper disabler is then able to disable the v... | 03/22/2005 |
| 6828692 | Tampering detector and system disabler A vehicle disablement device disables a vehicle if it is determined that the vehicle disablement device is being tampered with. A signal is periodically sent from a tamper transmitter to a tamper receiver. A tamper transmitter determines whether the vehicle is being... | 12/07/2004 |
| 6717527 | Vehicle location system A vehicle location system which operates to provide a location of a vehicle. Specifically, if a payment due date associated with the vehicle has passed and a payment has not been received for the vehicle, the vehicle location system operates to provide the vehicle's... | 04/06/2004 |