1
Jacob Y Wong, Roy L Anderson: System for secured credit card transactions on the internet. Jaesent, Lyon & Lyon, September 21, 1999: US05956699 (500 worldwide citation)

A method for providing secure credit card transactions over the Internet generates a personal charge number from a user account number by inserting a user key into the user account number in accordance with an algorithm that uses a user insertion key and a permutation variable. After the personal ch ...


2
Jacob Y Wong, Roy L Anderson: System and method for pseudo cash transactions. Jaesent, Lyon & Lyon, June 15, 1999: US05913203 (298 worldwide citation)

Totally anonymous or effectively anonymous cash-like transactions are accomplished by using a pseudo cash data package converter for inserting a user key into a pseudo cash preliminary data packet through the use of a user insertion key to generate a pseudo cash unit with a fixed monetary value that ...


3
Jacob Y Wong, Roy L Anderson: System and method for pseudo cash transactions with credit back. Jaesent, Lyon & Lyon, August 10, 1999: US05937394 (279 worldwide citation)

A system and method for pseudo cash transactions allows a portion of the pseudo cash to be refunded through use of a credit back indicator which is used by a record adjuster to adjust the file associated with a pseudo cash unit which can then be accessed by the user with a user identifier to obtain ...


4
Jacob Y Wong, Roy L Anderson: Verified receipt, notification, and theft deterrence of courier-delivered parcels. Jaesent, Daniel C McKown, James F Cottone, March 12, 2002: US06356196 (57 worldwide citation)

The System includes an Alarm Unit and a separate Alert Unit. The Alarm Unit is securely affixed to the parcel before the parcel is left at the delivery site, and the Alert Unit is placed at a secure site that is within radio range of the delivery site. The Alarm Unit is armed by the deliveryman upon ...


5
Jacob Y Wong: Fire detector. Jaesent, Daniel C McKown, December 26, 2000: US06166647 (30 worldwide citation)

An improved fire detector is obtained by combining a conventional smoke particle sensor with a fire radicals odor sensor; the latter being an electronic nose tuned to respond to the presence of a family of radicals, produced by most fires, that is responsible for the odor associated with a fire. The ...


6
Jacob Y Wong, Rudy W Tietze: Portable leak detector. Jaesent, Daniel C McKown, March 30, 1999: US05889199 (27 worldwide citation)

A portable instrument for locating leaks through the wall of a chamber uses a non-dispersive infrared (NDIR) type detector. The instrument includes a gas sampling probe into which a continuous sample of gas is drawn by a small suction pump. The sample is conducted from the probe through a flexible c ...


7
Jacob Y Wong: Collapsible golf cart. Jaesent, Daniel C McKown, December 12, 2000: US06158762 (14 worldwide citation)

A collapsible golf cart that is capable of carrying a fully-loaded golf bag includes an A-frame formed by telescoping members pivotally connected at their upper ends and having removable wheels at their lower ends. The cart includes a swinging V-shaped support stand that is attached at its upper end ...


8
Jacob Y Wong: Collapsible luggage cart. Jaesent, Daniel C McKown, August 1, 2000: US06095534 (11 worldwide citation)

A collapsible luggage cart characterized by left and right telescoping members having top sections and bottom sections, the top sections being pivotally connected so that when the cart is extended for use the telescoping members provide an A-frame back for the cart, each bottom section having an axl ...


9
Jacob Y Wong: Method for fabricating mirror systems. Jaesent, Daniel C McKown, April 13, 1999: US05894373 (7 worldwide citation)

A method for use in mass-producing, from a plane sheet of metal, a three-dimensional structure consisting of plane mirrors and plane structural members, said three-dimensional structure of a type in which each mirror or structural member has at least one edge that is collinear with an edge of anothe ...


10
Jacob Y Wong: Tire puncture locator. Jaesent, Daniel C McKown, August 25, 1998: US05798696 (5 worldwide citation)

Apparatus for detecting leaks in pneumatic tires includes a source of pressurized carbon dioxide gas that is used to partially re-inflate the flat tire, so that a strong concentration of carbon dioxide gas will be present in any gas that leaks out of the tire. In the vicinity of the leak, the concen ...