James R Lindquist
Inventor
Stats
- 2 US patents issued
- 2 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 2 US Patents Issued
- 2 US Applications Filed
- 142 Total Citation Count
- Nov 30, 1982 Most Recent Filing
- Sep 30, 1982 Earliest Filing
Work History
Patent Owner | Applications Filed | Year |
---|---|---|
PHONEX CORPORATION | 2
| 1982
|
Inventor Addresses
Address | Duration |
---|---|
Rowley, MA | Apr 30, 85 - Jun 11, 85 |
Technology Profile
Technology | Matters | |
---|---|---|
H04M: | TELEPHONIC COMMUNICATION | 2 |
Patents / Publication
Patents / Publication # | Year of Publication / Issued | Title | Citations |
---|---|---|---|
4523307 | 1985 | Power line carrier multi telephone extension system for full duplex conferencing and intercom between telephones | 113 |
4514594 | 1985 | Power line carrier telephone extension system for full duplex conferencing between telephones and having telephone call hold capability | 87 |
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