USD403018SExpiredUtility
Teaching aid for ultrasound wave theory
Individually held — no corporate assignee on recordPriority: Oct 1, 1996Filed: Oct 1, 1996Granted: Dec 22, 1998
Est. expiryOct 1, 2016(expired)· nominal 20-yr term from priority
Inventors:Joseph S. Powell
46
PatentIndex Score
7
Cited by
12
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a teaching aid for ultrasound wave theory, as shown and described.
Join the waitlist — get patent alerts
Track USD403018S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.