Historical Document · 1978

US Patent 4,106,677: Wrist Wearable Electronic Device with an Engagedly Stored Selected Tool (Hewlett-Packard)

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The HP-01's stylus stored in the band clasp: filed 19 August 1976, granted 15 August 1978.

Author

Bennie E. Helmso, Thomas E. Holden, Edward T. Liljenwall

Year

1978

Type

Historical Document

Credit

US Patent and Trademark Office; via Google Patents.

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