Patent US 5047918A
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| Patent number | US 5047918A (click link for details and documents via Google Patents) |
|---|---|
| Title | File management system |
| Inventors | Mayer D. Schwartz, Norman M. Delisle |
| Company | Tektronix Inc |
| Filing date | 1988-12-19 |
| Grant date | 1991-09-10 |