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Donald D. Rahrig
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Toledo, OH, US
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last 30 patents
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Patent Grant
Method and apparatus for bending glass sheets
Patent number
4,973,344
Issue date
Nov 27, 1990
Libbey-Owens-Ford Co.
Donald D. Rahrig
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Apparatus and method for treating glass sheets
Patent number
4,632,688
Issue date
Dec 30, 1986
Libbey-Owens-Ford Company
Donald D. Rahrig
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Glass sheet supporting and conveying apparatus
Patent number
4,222,764
Issue date
Sep 16, 1980
Libbey-Owens-Ford Company
Robert G. Revells
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of and apparatus for press bending glass sheets
Patent number
4,217,126
Issue date
Aug 12, 1980
Libbey-Owens-Ford Company
Floyd T. Hagedorn
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of and apparatus for bending glass sheets
Patent number
4,074,996
Issue date
Feb 21, 1978
Libbey-Owens-Ford Company
Floyd T. Hagedorn
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Apparatus for bending and tempering glass sheets by differential co...
Patent number
4,028,086
Issue date
Jun 7, 1977
Libbey-Owens-Ford Company
Donald D. Rahrig
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of and apparatus for bending and tempering thin glass sheets
Patent number
3,951,634
Issue date
Apr 20, 1976
Libbey-Owens-Ford Company
Harold R. Hall
C03 - GLASS MINERAL OR SLAG WOOL