Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 7406159 | Methods, systems, and computer program products for automatically populating signaling-based access control database Methods, systems, and computer program products for automatically populating a signaling-based access control database based on output from a fraud detection application are disclosed. According to one method, a fraud detection application detects fraud based on cal... | 07/29/2008 |
| 7280645 | Method of associating multiple prepaid cards with a single account A set of multiple prepaid calling cards that are associated with a single account is disclosed. A predetermined amount of minutes is associated with the set of cards. Cards within the set can be used simultaneously and extract minutes from the account in predetermin... | 10/09/2007 |
| 7079635 | Domestic origination to international termination country set logic A method and device for preventing fraud in international calls in a long-distance telecommunications system, where selected customers can avoid fraud control blocks and greater granularity is achieved in blocking international destinations. In the method and device... | 07/18/2006 |
| 6763098 | Call blocking based on call properties Non-toll calls originating from payphones may be blocked. An intelligent node is provided within the telecommunications network to identify whether a non-toll call originated from a payphone. The intelligent node may apply a number of different criteria to determine... | 07/13/2004 |
| 6700963 | System and method therefor of preventing fraud on pay phone credit/debit calling card authorization To prevent fraudsters from illicitly collecting the authorization number or authorization code, as well as personal identification number, of an unsuspecting authorized user of a public pay phone, the instant invention disables the keypad of the telephone... | 03/02/2004 |
| 6697472 | System and method therefor of preventing fraud on pay phone credit/debit calling card authorization To prevent fraud perpetrators from using a public pay telephone to illicitly collect account numbers, authorization codes or personal identification numbers from an unsuspecting user of the telephone, the instant invention disables the keypad of the telep... | 02/24/2004 |
| 6553108 | Method of billing a communication session conducted over a computer network A method of billing a communication session between a user and a value-added service. A request is received from a user for a communication session, such as a circuit-switched call, a computer-network telephony call or a multimedia session, between the us... | 04/22/2003 |
| 6404871 | Termination number screening Terminating number screening to block portable billing products from terminating to a designated high fraud domestic or international terminating numbers. When a call is placed and it is billed to a portable billing product, the dialed digits of the termi... | 06/11/2002 |
| 5153907 | Telephone system gateway interface A method and apparatus for providing enhanced call service and call routing functions from a centralized location on a telephone network line through gateway connections to service providers is disclosed. A multiple function interface located between a pa... | 10/06/1992 |
| 5131027 | Short time validity storage A telephone system and method of operation are disclosed which use a microprocessor control system (10), a speech generator (34) and speech memory (46) to interact with a calling party placing a long distance phone call. The telephone receives a billing a... | 07/14/1992 |
| 5113433 | Method and apparatus for altering the access format of telephone calls A telephone system and method of operation are disclosed which use a microprocessor control system (10), a speech generator (34) and speech memory (46) to automatically place calls without the need of a live operator. The telephone receives a destination ... | 05/12/1992 |
| 5093858 | Method and apparatus for performing an automated collect call A telephone system and method of operation are disclosed which use a microprocessor control system (10), a speech generator (34) and speech memory (46) to automatically place collect calls without the need of a live operator. The telephone uses the microp... | 03/03/1992 |
| 4933966 | Method and apparatus for performing an automated collect call A telephone system and method of operation are disclosed which use a microprocessor control system (10), a speech generator (34) and speech memory (46) to automatically place collect calls without the need of a live operator. The telephone uses the microp... | 06/12/1990 |
| 4933965 | Short time validity storage of a billing account number at a local telecommunications station A telephone system and method of operation are disclosed which use a microprocessor control system (10), a speech generator (34) and speech memory (46) to interact with a calling party placing a long distance phone call. The telephone receives a billing a... | 06/12/1990 |
| 4908852 | Method and apparatus for altering the access format of telephone calls A telephone system and method of operation are disclosed which use a microprocessor control system (10), a speech generator (34) and speech memory (46) to automatically place calls without the need of a live operator. The telephone receives a destination ... | 03/13/1990 |
| 4794642 | Call screening in a public telephone station Control equipment employed in a customer-owned public telephone station prevents a user from making unauthorized telephone calls in a telephone system. Operating under the control of a computer in the station, the control equipment employs a call screenin... | 12/27/1988 |
| 4698840 | Coin operated telephone A self-contained, pre-pay coin operated telephone wherein when the user removes a handset from a switchhook, a local dial tone is generated, prompting the user to enter a telephone number of a called party. Once the first digit of that telephone number ha... | 10/06/1987 |
