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File:FDD patents collage.png

From Wikipedia, the free encyclopedia

Original file ‎(2,900 × 2,610 pixels, file size: 80 KB, MIME type: image/png)

Description
Drawings from IBM floppy disk drive patents
Date 1969, 1970
Source

U.S. Patent 3,668,658, Fig. 2,

U.S. Patent 3,678,481, Fig. 1.
Author Ralph Flores, Herbert E. Thompson, Warren L. Dalziel, Jay B. Nilson, Donald L. Wartner
Permission
(Reusing this file)
Public domain The text and illustrations of US patents published before March 1, 1989 are in the public domain unless the patent text contains a specific notice that portions are copyrighted. See 37 CFR 1.71(d), 37 CFR 1.84(s)

The original patent contains no such notice, so its contents are in the public domain. Note: This only applies to images published before March 1, 1989. Patents published after that date are most likely copyrighted, unless in the public domain for another reason, such as {{PD-ineligible}}.

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Date/TimeThumbnailDimensionsUserComment
current00:23, 10 February 2015Thumbnail for version as of 00:23, 10 February 20152,900 × 2,610 (80 KB)Mikhail Ryazanov{{Information |Description= {{en|Drawings from IBM Floppy Disk Drive Patents}} |Source= [http://www.google.com/patents/US3668658 Magnetic record disk cover US 3668658 A], Fig. 2,<br/> [http://www.google.com/patents/US3678481 Data storage apparatus empl...
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Retrieved from "https://en.wikipedia.org/wiki/File:FDD_patents_collage.png"
Basis of this page is in Wikipedia. Text is available under the CC BY-SA 3.0 Unported License. Non-text media are available under their specified licenses. Wikipedia® is a registered trademark of the Wikimedia Foundation, Inc. WIKI 2 is an independent company and has no affiliation with Wikimedia Foundation.
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