Donald W Swanson

US Patent:

20070181142, Aug 9, 2007

Filed:

Feb 8, 2006

Appl. No.:

11/350175

Inventors:

Paul Tufts - Eagan MN, US
Donald Swanson - Elgin IL, US

International Classification:

A45D 29/00

US Classification:

132073000

Abstract:

An artificial nail has a nail platform, an electroluminescence material connected to the nail platform, and an electric circuit electrically connected to the electroluminescence material. The electroluminescence material is preferably an electroluminescent film or other material that becomes luminous upon application of alternating current. When an electroluminescent film is used, the electric circuit preferably includes a driver module that provides sufficient alternating current to drive the electroluminescent film.

US Patent:

59044080, May 18, 1999

Filed:

Jul 24, 1997

Appl. No.:

8/899973

Inventors:

Thomas J. Olson - Dayton MN
Donald J. Swanson - Elk River MN

Assignee:

Caterpillar Paving Products Inc. - Minneapolis MN

International Classification:

E21C35/193

US Classification:

299 871

Abstract:

A rotary cutter having a plurality of flights each having a tool holder receiving pocket extending radially inwardly from an outer surface of the flight. Each receiving pocket has a mounting socket at the innermost portion of the pocket which securely positions a tool holder, the tool holder being retained in the socket by a fastener.