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SCHAEFER BROTHERS INC.
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CLEVELAND, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Long life cover for heat chamber
Patent number
4,906,184
Issue date
Mar 6, 1990
Schaefer Brothers Incorporated
Robert Milluzzi
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Heat chamber lining
Patent number
4,733,620
Issue date
Mar 29, 1988
Schaefer Brothers Incorporated
Michael K. Robbins
F27 - FURNACES KILNS OVENS RETORTS
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Trademark
last 30 trademarks
Information
Trademark
74599086 - SBI SCHAEFER BROTHERS INC.
Serial number
74599086
Registration number
1952755
Filing date
Nov 15, 1994
Schaefer Brothers Inc.
6 - Common metals and their alloys
Information
Trademark
74035775 - SBI
Serial number
74035775
Registration number
1921457
Filing date
Mar 7, 1990
Schaefer Brothers Inc.
6 - Common metals and their alloys
Information
Trademark
73658061 - PERM+A+LINING
Serial number
73658061
Registration number
1464572
Filing date
Apr 30, 1987
SCHAEFER BROTHERS INC.
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
73658062 - PERM+A+LOCK
Serial number
73658062
Registration number
1466958
Filing date
Apr 30, 1987
SCHAEFER BROTHERS INC.
6 - Common metals and their alloys