Resources Contact Us Home
Claus; David M.
Indianapolis, IN
No. of patents:

Patent Number Title Of Patent Date Issued
5559313 Categorization of purchased items for each transaction by a smart card September 24, 1996
A smart card that is responsive to a list of items with individual prices that are received from a point of sale (POS) terminal during an individual transaction to automatically insert these items into expense categories. A personal computer later retrieves these categories and associate
5461217 Secure money transfer techniques using smart cards October 24, 1995
Systems and methods for providing secure electronic financial transactions are disclosed. Money is electronically stored on a plurality of smart cards. At least one smart card is equipped with an electronic security wall having a closed state and an open state. In the closed state, the
5310999 Secure toll collection system for moving vehicles May 10, 1994
A secure toll payment system is realized by transmitting a changeable encryption code from roadside equipment at a toll plaza to a moving vehicle. Thereafter, the moving vehicle uses it to encrypt payment information according to the Data Encryption Standard algorithm. The moving veh
5120939 Databaseless security system June 9, 1992
An improved security system, including a protable smart card and a host computer, eliminates the need for the computer to store individual personal identification (ID) numbers for each user seeking access to the computer. Instead, the computer stores a first encryption algorithm

  Recently Added Patents
Adaptive known signal canceller
Integrated circuit packaging system with an encapsulation and method of manufacture thereof
Planarizing agents and devices
Methods circuits apparatuses and systems for facilitating access to online content
Signal activated molecular delivery
Peer-to-peer, internet protocol telephone system with proxy interface for configuration data
Antagonists of the glucagon receptor
  Randomly Featured Patents
Modular animal imaging apparatus
Frequency compensation of a current amplifier in MOS technology
Material application method
Optical polymer blend with bimodal particle sizes
Non-stage transmission for vehicles and lawn mowing tractor using same
System and method for levelling a plane with respect to a movable reference
System and method for playing a table and electronic card game
Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane
Layout structure for canister in vehicle
Apparatus and method for endovascular device guiding and positioning using physiological parameters