IP Library › Granted Patent US 4,945,475
Granted Patent Utility
US 4,945,475 · App. 07/442,408

Hierarchical file system to provide cataloging and retrieval of data

Inventors: Bill M. Bruffey, Gursharan Sidhu, Patrick William Penzias Dirks, Christopher McFall
Patented Case View Patent ↗
Granted: Jul 31, 1990 Filed: Nov 21, 1989
Inventors
Bill M. Bruffey
Gursharan Sidhu
Patrick William Penzias Dirks
Christopher McFall
Assignee (at issue)
Apple Computer Inc.

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Quick Facts
Patent No.
US 4,945,475
App. No.
07/442,408
Filed
1989-11-21
Granted
1990-07-31
Kind
A