Andrew Mark — 16 Patents at Smart Tone Authentication

Andrew Mark has been granted 16 US patents while listed as an inventor at Smart Tone Authentication. The first was granted in 1985 and the most recent in January 2000. Andrew Mark ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Andrew Mark in Stamford, CT, US.

Patents per Year

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Showing 1–16 of 16 patents

Patent #	Title	Co-Inventors	Date
6014441	Method and system for generation of tone signals over a transmission channel	—	2000-01-11
5949874	Method and system for compensating for signal deviations in tone signals over a transmission channel	—	1999-09-07
5907597	Method and system for the secure communication of data	—	1999-05-25
5825871	Information storage device for storing personal identification information	—	1998-10-20
5818930	Auto-dialer housing	—	1998-10-06
5745555	System and method using personal identification numbers and associated prompts for controlling unauthorized use of a security device and unauthorized access to a resource	—	1998-04-28
5732133	System and method for selecting and generating telephone access numbers for limiting access to a telephone service	—	1998-03-24
5583933	Method and apparatus for the secure communication of data	—	1996-12-10
D321279	Storage unit for audio tapes, compact disks, video tapes or similar articles	—	1991-11-05
D310907	Headband radio	—	1990-10-02
D296695	Radio	Paul F. Siegel	1988-07-12
D292925	Radio	Paul F. Siegel	1987-11-24
D290459	Combined tape cassette player and radio	—	1987-06-23
4660793	Appliance mounting apparatus	—	1987-04-28
D288299	Timer	—	1987-02-17
D277098	Radio	—	1985-01-08

Andrew Mark — 16 Patents

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