
US 2,612,994Classifying apparatus and method1952
PD-70 · US 2,612,994
Classifying apparatus and method
Woodland and Silver's 1952 bullseye barcode — sketched in beach sand, now scanned five billion times a day.
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Total29 €
PD-70 · US 2,612,994 · Filed October 20, 1949 ·
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Full collectionCommon questions
- Is this a real patent?
- Yes — the original drawing as filed at the U.S. Patent Office, cleaned and printed. Public domain by law.
- How is it shipped?
- Printed in Europe on 200 g/m² matte paper. Small sizes ship flat, 50 × 70 ships rolled in a tube. Tracking by email.
- What if it arrives damaged?
- Send a photo within 7 days and we reprint and reship it free.


