IP Library › Granted Patent US 6,689,538
Granted Patent Utility
US 6,689,538 · App. 10/136,913

Thermal mass transfer donor element

Inventors: Thomas R. Hoffend, John S. Staral
Patented Case View Patent ↗
Granted: Feb 10, 2004 Filed: Apr 30, 2002
Inventors
Thomas R. Hoffend
John S. Staral
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY

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Quick Facts
Patent No.
US 6,689,538
App. No.
10/136,913
Filed
2002-04-30
Granted
2004-02-10
Kind
B2