USD339358SExpiredUtility

Tillage tool frame

35
Assignee: UNVERFERTH MFG CO INCPriority: Feb 28, 1991Filed: Feb 28, 1991Granted: Sep 14, 1993
Est. expiryFeb 28, 2011(expired)· nominal 20-yr term from priority
Inventors:Michael D. Van MillDennis J. Hohlbein
35
PatentIndex Score
4
Cited by
12
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a tillage tool frame, as shown and described.

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