USD243743SExpiredUtility
Manual window shade and roller cut off knife
Est. expiryFeb 4, 1996(expired)· nominal 20-yr term from priority
Inventors:Paul J. Erpenbeck
36
PatentIndex Score
2
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a manual window shade and roller cut off knife, substantially as shown.
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