Bryan L Klaenhammer

US Patent:

6569517, May 27, 2003

Filed:

Nov 17, 2000

Appl. No.:

09/714932

Inventors:

Daniel J. McGurran - Woodbury MN
Laurence R. Gilbert - Marine on St. Croix MN
Bryan L. Klaenhammer - River Falls WI
James A. Olson - Maplewood MN

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

B32B 516

US Classification:

428323, 359582, 359585, 359589, 428328, 428336, 428337, 428458

Abstract:

A color-tailorable, surface-metalized, pigmented optical body comprising a single or multiple layer polymeric core comprising at least one layer of a thermoplastic polymer material having dispersed therein a particulate pigment, and a metallic layer located on at least one outer surface of the polymeric core. The optical bodies are generally constructed such that the at least one of the L*, a*, and b* color scales of the polymeric core differs from the L*, a*, and b* color scales of the metallic layer.

US Patent:

40797724, Mar 21, 1978

Filed:

Jan 5, 1976

Appl. No.:

5/646556

Inventors:

Bryan L. Klaenhammer - Hugo MN
Edward A. Adams - St. Paul MN

Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN

International Classification:

A47H 300
A47G 502

US Classification:

160268R

Abstract:

A system for controlling the transmission of heat through architectural windows is disclosed in which a magnetized strip is disposed along a major periphery of a frame supporting the window and a flexible window shade is supported adjacent to the frame and is magnetically attracted to the magnetized strip on the frame by a flexible sealing strip secured to the shade. The sealing strip contains a layer of magnetizable particles in a flexible polymeric binder.