Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6226370 | Telephone pager and intercom system | — | 2001-05-01 |
| 5872667 | Mechanical operations and volume format identifying system zones for tape media | Stephen M. Adams | 1999-02-16 |
| 5602686 | Magnetic tape resident volume format table for data recording system | — | 1997-02-11 |
| 5550684 | Data recording system having improved bookkeeping capability | John R. Haglund | 1996-08-27 |
| 5543977 | Data recording system having improved longitudinal and helical search capability | Jerry E. Holter | 1996-08-06 |
| 5517599 | Data recording system and method having logical overrecording capability | — | 1996-05-14 |
| 5450250 | Method for transparently marking the location of data files on recording media | Jose A. Garcia | 1995-09-12 |
| 5446602 | Tape media formatted to include multiple, spaced apart system zones each for storing volume format information | Stephen M. Adams | 1995-08-29 |
| 5442493 | Data recording system having improved bookkeeping capability | John R. Haglund | 1995-08-15 |
| 5388012 | Partitioning of magnetic tape into sequentially occurring partitions between and around regularly occurring system zones | Stephen M. Adams | 1995-02-07 |
| 5384668 | Data recording system having unique end-of-recording and start-of-recording format indicators | Tracy G. Wood | 1995-01-24 |
| 5355259 | Volume format table for data recording system | — | 1994-10-11 |
| 5341378 | Data recording system having improved automatic rewrite capability and method of rewriting | — | 1994-08-23 |
| 5335119 | Data recording system having unique nonrecording detection | Tracy G. Wood | 1994-08-02 |
| 5319504 | Method and apparatus for marking a data block defective and re-recording data block in successive regions | — | 1994-06-07 |
| 4727370 | Method and system for synchronous handshake generation | — | 1988-02-23 |