Sturgis; David Howard

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sturgis; David Howard.The latest application filed is for "method and composition for solvent extraction of material from a molding".

Company Profile

0.5.5

Sturgis; David Howard - Boring OR
Sturgis; David Howard - Gladstone OR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method for processing casting materials to increase slurry lifetime Grant 6,920,913 - Yasrebi , et al. July 26, 2	2005-07-26
Method and composition for solvent extraction of material from a molding App 20040138049 - Yasrebi, Mehrdad ; et al.	2004-07-15
Method for processing casting materials to increase slurry lifetime App 20040007345 - Yasrebi, Mehrdad ; et al.	2004-01-15
Method for imaging inclusions in investment castings App 20030205359 - Springgate, Mark E. ; et al.	2003-11-06
Method for imaging inclusions in investment castings Grant 6,619,368 - Springgate , et al. September 16, 2	2003-09-16
Filters for filtering molten metals and alloys field App 20030150294 - Stefansson, Njall ; et al.	2003-08-14
Method for imaging inclusions in investment castings App 20030136540 - Springgate, Mark E. ; et al.	2003-07-24
Polymeric organic carbonate materials useful as fillers for investment casting waxes Grant 6,326,429 - Sturgis , et al. December 4, 2	2001-12-04
Infiltration method for producing shells useful for investment casting Grant 5,927,379 - Yasrebi , et al. July 27, 1	1999-07-27
Method for stabilizing ceramic suspensions Grant 5,643,844 - Yasrebi , et al. July 1, 1	1997-07-01

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