David G Jeffers
Engineers in Glenwood, CO

License number
Colorado 25443
Issued Date
Feb 3, 1988
Renew Date
Mar 1, 2010
Expiration Date
Oct 31, 2013
Type
Professional Engineer
Address
Address
PO Box 1210, Glenwood, CO 81602
LicenseFiles verified this license of Dec 9, 2016 at the Colorado - Department of Regulatory Agencies.

Professional information

David Jeffers Photo 1

Triple Tube Viscosity Testing Instrument

US Patent:
D331202, Nov 24, 1992
Filed:
Aug 29, 1991
Appl. No.:
7/752259
Inventors:
David G. Jeffers - Glenwood Springs CO
Donald G. Pachuta - Bridgewater NJ
Assignee:
Louis C. Eitzen Co., Inc. - Glenwood Springs CO
US Classification:
D10 81

Engineers licenses in Colorado