USD301743SExpiredUtility

Drive unit for rolling door

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Assignee: BYRNE & DAVIDSON DOORS N S W PTY LTDPriority: Apr 15, 1986Filed: Oct 15, 1986Granted: Jun 20, 1989
Est. expiryApr 15, 2006(expired)· nominal 20-yr term from priority
Inventors:Paul M. Schremmer
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PatentIndex Score
1
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a drive unit for rolling door, as shown.

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