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Older Than deck / Inventions and everyday things

PIN for cash machines

Patent filed

1966

James Goodfellow and Anthony Davies’s idea of a card plus a number typed in.

Sources and checks

Checked 2026-11-01: Researched by Codex (two independent publishers, verbatim quotes); every counted quote re-found on its page by the server check (content-verify, or content-verify-pdf for PDFs); scope and plausibility reviewed by Claude (AI build agent). Quotes are short passages from each source; for dates the quote is the year as printed, read in context.

“priority date of May 2 1966”Scottish Engineering Hall of Fame / Institution of Engineers in Scotland: source, retrieved 2026-10-27; quote re-found by the server check
“in the UK on 2 May 1966”Marks & Clerk / Pamela Bryer and Eve McGlynn: source, retrieved 2026-10-27; quote re-found by the server check
“1966-05-02”United Kingdom Patent Office — patent record and abstract hosted by Google Patents: source, retrieved 2026-10-27; quote re-found by the server check

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