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Donald L. Lampus
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Pittsburgh, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Structural unit insulation arrangement, system, and process
Patent number
8,782,981
Issue date
Jul 22, 2014
R. I. Lampus Company
Donald L. Lampus
E04 - BUILDING
Information
Patent Grant
Insert apparatus for a mold, method of manufacturing a structural u...
Patent number
7,575,217
Issue date
Aug 18, 2009
R. I. Lampus Company
Richard R. Jucha
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method of manufacturing a metallurgical addition agent
Patent number
4,786,451
Issue date
Nov 22, 1988
Doren, Inc.
Donald L. Lampus
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
Structural Unit Insulation Arrangement, System, and Process
Publication number
20130318902
Publication date
Dec 5, 2013
R. I. Lampus Company
Donald L. Lampus
E04 - BUILDING
Information
Patent Application
Insert Apparatus for a Mold, Method of Manufacturing a Structural U...
Publication number
20090311451
Publication date
Dec 17, 2009
R. I. Lampus Company
Richard R. Jucha
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Insert apparatus for a mold, method of manufacturinging a structura...
Publication number
20050183360
Publication date
Aug 25, 2005
R. I. Lampus Company
Richard R. Jucha
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Application
Insert apparatus for a mold, method of manufacturing a concrete uni...
Publication number
20050016123
Publication date
Jan 27, 2005
R. I. Lampus Company
Richard R. Jucha
B28 - WORKING CEMENT, CLAY, OR STONE