David Hanefeld has a total of 1 patent(s) in the database.
* Some patents in this database have one or more inventors, not all of whom may be from Wyoming.
Patent Number: 6394499 View patent at USPTO Title: SELF-ADHESIVE STAMP CONSTRUCTION Assignee: Unicover Corporation; Avery Dennison Corporation Issue Date: May 28, 2002 Inventor(s): Max A. DeHerrera, Cheyenne, WY
Alan Green, Greenwood, SC
David P. Hanefeld, Northridge, CA
James A. Helzer, Cheyenne, WY
Vance P. Mattison, Clinton, SC
Julia J. Souther, Mauldin, SC