Houston, TX, US
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Patent Grant
Black, Sivalls & Bryson, Inc.
John E. Witten
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Patent Grant
Black, Sivalls & Bryson, Inc.
Loren E. Wood
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Black, Sivalls & Bryson, Inc.
Loren E. Wood
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Black, Sivalls & Bryson, Inc.
Loren E. Wood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Patent Grant
Black, Sivalls & Bryson, Inc.
Adrian J. Peterson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Black, Sivalls & Bryson, Inc.
Harold O. Ebeling
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Black, Sivalls & Bryson, Inc.
Alvin C. Liknes
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
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Trademark
Black, Sivalls & Bryson, Inc.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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Trademark
BLACK, SIVALLS & BRYSON, INC.
19 - Building materials (non-metallic)
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Trademark
BLACK, SIVALLS & BRYSON, INC.
7 - Machines and machine tools
