Douglas L Christiansen

age ~62

from Brentwood, TN

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Douglas Christiansen Phones & Addresses

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Location:

United States

Name / Title

Company / Classification

Phones & Addresses

Douglas L. Christiansen
Vice Provost, Enrollment And Dean, Admissions

The Vanderbilt University
College/University

211 Kirkland Hall, Nashville, TN 37240
(615)3221813

Pass/Fail Tape Measure Calibrator
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US Patent:

8438745, May 14, 2013
Filed:

Aug 18, 2011
Appl. No.:

13/212533
Inventors:

Douglas J. Christiansen - Lindon UT, US
International Classification:

G01B 3/10
US Classification:

33502, 33770, 33759, 33567, 33494
Abstract:

A tape measure calibrator includes a base with a slot with a pull reference surface and a push reference surface, the slot being configured to receive an end hook of a tape measure. The base also includes a pull calibration band on the base with a centerline of the pull calibration band indicating a first distance from the pull reference surface. The base also includes a push calibration band on the base, a centerline of the push calibration band indicating a second distance from the push reference surface, n which the first distance and the second distance are substantially equal.

Winching Apparatus
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US Patent:

8602394, Dec 10, 2013
Filed:

Jan 10, 2011
Appl. No.:

12/987579
Inventors:

Douglas J. Christiansen - Lindon UT, US
International Classification:

B66D 1/36
US Classification:

254338, 254323, 254327, 254383
Abstract:

A winching apparatus includes a fairlead mounted to a vehicle and a fifth roller mounted below the fairlead that is positioned and sized such that the cable does not contact any portion of the vehicle between the fairlead and the fifth roller when the cable passes from the winch and under the vehicle.

Tape Measure Calibrator
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US Patent:

20100018068, Jan 28, 2010
Filed:

Jul 17, 2009
Appl. No.:

12/504922
Inventors:

Douglas J. Christiansen - Lindon UT, US
International Classification:

G01B 3/10
US Classification:

33502
Abstract:

A tape measure calibrator includes a base with a first reference surface and a second reference surface. A pull calibration mark is made on the base which indicates a first distance from the first reference surface. A push calibration mark is also made on the base which indicates a second distance from the second reference surface, in which the first distance and the second distance are substantially equal.

Multi-Instrument Calibration Standard
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US Patent:

20150121991, May 7, 2015
Filed:

Nov 7, 2013
Appl. No.:

14/074550
Inventors:

Douglas J. Christiansen - Lindon UT, US
International Classification:

G01B 5/02
G01B 3/38
G01B 5/24
US Classification:

73 181
Abstract:

A calibration standard includes a base and an outside measurement gage block disposed in a recess of the base such that edges and calibration surfaces of the outside measurement gage block are protected by the base and allow access to the calibration surfaces by a caliper. A method for calibrating calipers using the calibration standard is also provided.