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R.R. HOWELL COMPANY
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MINNEAPOLIS, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Slide gate for an en-masse conveyor system
Patent number
6,059,094
Issue date
May 9, 2000
R.R. Howell Company
Roger D. Swanstrom
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
71492057 - VERTI-LIFT
Serial number
71492057
Registration number
522088
Filing date
Nov 23, 1945
R. R. HOWELL CO.
7 - Machines and machine tools
Information
Trademark
71492050 - ATLAS
Serial number
71492050
Registration number
427092
Filing date
Nov 23, 1945
R.R. HOWELL COMPANY
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes