USD299543SExpiredUtility

Modular drainage channel

Assignee: NAT DIVERSIFIED SALES INCPriority: Apr 8, 1986Filed: Apr 8, 1986Granted: Jan 24, 1989

Est. expiryApr 8, 2006(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a modular drainage channel, as shown.

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