PD-76 · US 2,929,922
Masers and maser communications system
Original patent print · 1960
Schawlow and Townes' optical maser, 1960 — the patent that put the laser on paper before anyone had built one.
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US 2,929,922Masers and maser communications system1960
- Inventor
- Patented
Total29 €
PD-76 · US 2,929,922 · Filed July 30, 1958 ·
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Common 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?
- An unframed print on 200 g/m² matte paper, printed in Europe. Dispatched in 2–4 working days, followed by transit. Shipping is included to Spain, Portugal, France, Germany, Italy, Netherlands, Belgium, Austria and Ireland. Tracking by email.
- What if it arrives damaged?
- Send a photo within 7 days and we reprint and reship it free.