Mark Gregory Ringdahl

US Patent:

7637365, Dec 29, 2009

Filed:

Jun 10, 2004

Appl. No.:

10/865647

Inventors:

Mark G. Ringdahl - Chanhassen MN, US
Harry Dilling - Biloxi MS, US

International Classification:

G07F 7/00

US Classification:

194205, 194215, 194217, 705 14, 705 16

Abstract:

A car wash includes a controller having an input element and an output element. The input element is configured to receive an input representing a payment. The output element is in operative communication with the input element, and is configured to assign an output comprising a bonus value of a product or service to be dispensed if the payment is of a preferred form.

US Patent:

20060144430, Jul 6, 2006

Filed:

Jan 3, 2006

Appl. No.:

11/324708

Inventors:

Mark Ringdahl - Chaska MN, US
Harry Dilling - Biloxi MS, US

International Classification:

B08B 7/04
B08B 3/00

US Classification:

134123000, 134018000

Abstract:

A method of providing information to a user of a car wash is disclosed. The method includes receiving from a car wash one or more signals representing one or more payments. One or more signals are received from the car wash representing a value of one or more car wash functions purchased with the one or more payments. An indication is recorded of the value of the one or more car wash functions purchased with the one or more payments. The method also includes providing information that includes the indication of the value of the one or more car wash functions purchased with the one or more payments. Other illustrative embodiments pertain to a vending machine messaging device and a car wash.

US Patent:

20100219039, Sep 2, 2010

Filed:

May 17, 2010

Appl. No.:

12/781141

Inventors:

Mark G. Ringdahl - Chaska MN, US
Harry Dilling - Biloxi MS, US

International Classification:

G06F 9/00

US Classification:

194217

Abstract:

A method of providing information to a user of a car wash is disclosed. The method includes receiving from a car wash one or more signals representing one or more payments. One or more signals are received from the car wash representing a value of one or more car wash functions purchased with the one or more payments. An indication is recorded of the value of the one or more car wash functions purchased with the one or more payments. The method also includes providing information that includes the indication of the value of the one or more car wash functions purchased with the one or more payments. Other illustrative embodiments pertain to a vending machine messaging device and a car wash.

US Patent:

45160074, May 7, 1985

Filed:

Aug 19, 1982

Appl. No.:

6/409685

Inventors:

Mark G. Ringdahl - Chanhassen MN
Lambert L. Raymond - Robbinsdale MN
Richard J. Scherer - Woodbury MN

Assignee:

Litton Systems, Inc. - Beverly Hills CA

International Classification:

H05B 668

US Classification:

219 1055D

Abstract:

An interlock switch module for a microwave oven provides a unitary housing containing primary and secondary interlock switches, interlock and logic monitor switches, and a cavity lamp switch. Apertures are provided in the housing to receive actuators external of the switch module. One actuator is contained within the module and is adapted to be actuated by a portion which protrudes from the module. Sequencing and timing of the switches are provided for.