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ROYAL DIVERSIFIED PRODUCTS, A RI CORP
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WARREN, RI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Form for ready-made necktie
Patent number
4,489,443
Issue date
Dec 25, 1984
Royal Diversified Products
Roger E. Ellin
A41 - WEARING APPAREL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
72454782 - DRP DEVELOPMENT RESEARCH PRODUCTION
Serial number
72454782
Registration number
980225
Filing date
Apr 16, 1973
ROYAL DIVERSIFIED PRODUCTS, INC.
6 - Common metals and their alloys