Wei Qiang Wang

US Patent:

50503090, Sep 24, 1991

Filed:

Sep 24, 1990

Appl. No.:

7/588099

Inventors:

Wei Wang - Minneapolis MN

International Classification:

B43L 1302

US Classification:

33449

Abstract:

A multipurpose ruler to permit a user to precisely draw geometric shapes as well as to store information including a housing having a rotatable roller with multiple information areas and an alignment mark to permit the user precisely align the ruler for accurately drawing geometric figures. A retractable pivot pin permits the user to draw circles about the pivot pin and a transparent housing permits a user to readily view information stored on the ruler.

US Patent:

49265229, May 22, 1990

Filed:

Apr 18, 1989

Appl. No.:

7/340135

Inventors:

Wei Wang - Minneapolis MN

International Classification:

B25G 104
B25G 324

US Classification:

16114R

Abstract:

A utility tool that includes a utility handle for receiving any of a plurality of utility workheads with the utility handle including telescoping sections having twist look sections with one of the ends of the sections having a male thread to attach conventional utility workheads thereto such as brushes and mops and a female thread located coaxial with the male thread to receive an adaptor that permits the attachment of conventional hand held tools that have cylindrical handles or the like and extenders for the utility handle having a male thread on one end and a female thread on the other end to permit the extender to be fastened to the end of the utility handle to permit the telescoping utility handle to be extended further than through normal extension of the telescoping handle.

US Patent:

20160209405, Jul 21, 2016

Filed:

Apr 1, 2015

Appl. No.:

14/676620

Inventors:

- Minneapolis MN, US
Wei Wang - Minneapolis MN, US
Yi Wang - Minneapolis MN, US
Todd Klein - Wayzata MN, US

International Classification:

G01N 33/543
G01N 33/53
G01R 33/09

Abstract:

A system may include a magnetic sensor including a free magnetic layer and a fixed magnetic layer; a sample container disposed over the magnetic stack; a plurality of capture DNA oligomers on a surface of the magnetic biosensor within the volume defined by the sample container above the magnetic stack, wherein each of the plurality of capture DNA oligomers includes at least one thymine base configured to bind to an Hg ion; a magnetic field generator configured to generate a magnetic field that influences the free layer; and circuitry configured to measure a resistance of the magnetic sensor.