Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5557746 | System and method for recording accounting times | David De-Hui Chen, William Frank McKenzie, Jr., Leo Temoshenko | 1996-09-17 | $12,073,000 |
| 5101348 | Method of reducing the amount of information included in topology database update messages in a data communications network | Andrew Hilliard Arrowood, Kathryn E. Clarke, John E. Drake, James P. Gray, Karla J. Norsworthy +2 more | 1992-03-31 | $11,685,000 |
| 4827411 | Method of maintaining a topology database | Andrew Hilliard Arrowood, Alan E. Baratz, Philip F. Chimento, Jr., John E. Drake, James P. Gray +2 more | 1989-05-02 | $25,785,000 |