Frederick Leroy Schaefer

US Patent:

6640210, Oct 28, 2003

Filed:

Jun 19, 2000

Appl. No.:

09/596488

Inventors:

Frederick Anthony Schaefer - Colorado Springs CO 80906
Paul Michael Brashear - Minneapolis MN 55409

International Classification:

G01L 2100

US Classification:

704235, 704270, 704275, 379 8801, 379 8809, 379 871

Abstract:

A customer service center includes a server connected to a computer network. The server contains a speech recognition system. An operator station is capable of connecting to the server. A microphone is connected to the operator station. A codec is connected to the microphone and the operator station.

US Patent:

7045038, May 16, 2006

Filed:

Sep 22, 2000

Appl. No.:

09/669400

Inventors:

Frederick Anthony Schaefer - Colorado Springs CO, US

Assignee:

Industrial Microwave Technologies, Inc. - Knoxville TN

International Classification:

B01D 3/00
B01D 17/00
C10M 175/02

US Classification:

196120, 196 1452, 422285, 422288, 20415821, 208184, 208185, 208187, 208189

Abstract:

There is disclosed a burnable used oil fuel product by the process comprising:.

US Patent:

7227882, Jun 5, 2007

Filed:

Sep 24, 2004

Appl. No.:

10/950260

Inventors:

Frederick Anthony Schaefer - Colorado Springs CO, US

Assignee:

Edw. C. Levy Co. - Detroit MI

International Classification:

H05B 11/00

US Classification:

373 1, 373 8, 75479, 208132

Abstract:

A method of processing electric arc furnace dust includes the steps of preheating a portion of electric arc furnace dust to a temperature of at least 170 degrees centigrade by convection heating to form a preheated dust. The preheated dust is further heated by microwaves until a zinc in the preheat dust vaporizes to form a metal vapor and a residue. The metal vapor is then condensed.

US Patent:

20010053977, Dec 20, 2001

Filed:

May 25, 2001

Appl. No.:

09/866079

Inventors:

Frederick Schaefer - Colorado Springs CO, US

Assignee:

Realperson, Inc.

International Classification:

G10L021/00

US Classification:

704/270100

Abstract:

A customer service center () includes a server () connected to a computer network (). The server () contains a speech recognition system (). An operator station () is capable of connecting to the server (). A microphone () is connected to the operator station (). A codec () is connected to the microphone () and the operator station ().