USD311107SExpiredUtility

Drill screw bit holder

Individually held — no corporate assignee on recordPriority: May 18, 1988Filed: May 18, 1988Granted: Oct 9, 1990
Est. expiryMay 18, 2008(expired)· nominal 20-yr term from priority
Inventors:John French
28
PatentIndex Score
2
Cited by
2
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a drill screw bit holder, as shown and described.

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