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Inventor: Sabsay; Daniel M.
Address: Cambridge, MA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| RE29259 |
Self re-keying security device |
June 7, 1977 |
| A security system for use in secure areas, buildings, hotels, automobiles and so forth. Each lock mechanism is controlled by a decoding circuit having a changeable binary memory. A basic key has two decodable information fields: a key field and an authorization field. When a key fiel |
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