Sand; Douglas S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sand; Douglas S..The latest application filed is for "architecture for distributed control telecommunication systems".
- Sand; Douglas S. - Naperville IL
| Patent | Date |
|---|---|
| Architecture for distributed control telecommunication systems Grant 4,720,854 - Sand January 19, 1 | 1988-01-19 |
| Controlling multi-fort hunt groups in a distributed control switching system Grant 4,694,487 - Chang , et al. September 15, 1 | 1987-09-15 |
| Control communication in a switching system having clustered remote switching modules Grant 4,583,218 - Ardon , et al. April 15, 1 | 1986-04-15 |
| Channel selection in a switching system having clustered remote switching modules Grant 4,566,094 - Ardon , et al. January 21, 1 | 1986-01-21 |
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