Inventor
William E. Cheal
Inventor
San Jose, CA, US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication50%
H04QSelecting50%
PatentTitleYear
4,381,427'Subscriber loop system for voice and data'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to NORTHERN TELECOM LTD (1)· patent assignee history
1983Based in San Jose, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NORTHERN TELECOM LTD | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| San Jose, California, US | 1 | 1983 |