USD473518SExpiredUtility

Power column

77
Assignee: TK CANADA LTDPriority: Mar 25, 2002Filed: Mar 25, 2002Granted: Apr 22, 2003
Est. expiryMar 25, 2022(expired)· nominal 20-yr term from priority
Inventors:John HellwigSteve VerbeekPaul CrosslandNicolas Koeppe
77
PatentIndex Score
23
Cited by
20
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental Design for a power column, as shown and described.

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