USD441772SExpiredUtility
Sheet metal bobbin
Est. expiryJul 27, 2019(expired)· nominal 20-yr term from priority
Inventors:Manfred Polzer
66
PatentIndex Score
24
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a sheet metal bobbin, as shown and described.
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