USD388927SExpiredUtility
Traction ramp device
Individually held — no corporate assignee on recordPriority: Nov 29, 1996Filed: Nov 29, 1996Granted: Jan 6, 1998
Est. expiryNov 29, 2016(expired)· nominal 20-yr term from priority
Inventors:William S. Morgan
51
PatentIndex Score
11
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a traction ramp device, as shown.
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