Inventor
Charles F. Jackson
Inventor
Crystal Lake, IL, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission22%
H04MTelephonic communication22%
H04WWireless communication networks22%
H01QAntennas, i.e. radio aerials11%
H02GInstallation of electric cables or lines, or of combined optical and electric cables or lines11%
H02JElectric power networks11%
PatentTitleYear
7,181,234'Method and apparatus for bridging talk groups in public/private communication systems'20077,146,187'Portable communication device used as an accessory for a portable two-way radio'20066,959,203'Portable communication device used as an accessory for a mobile communication system'20056,816,734'Method and apparatus for improved location determination in a private radio network using a public network system'20046,794,845'Charging device for charging a plurality of devices'20044,392,014'Telephone cable splices'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to NORTHERN TELECOM LTD (1)· patent assignee history
1983Based in Ottawa, CA· patent location history
2004–2007Patents assigned to MOTOROLA INC (5)· patent assignee history
2004–2007Based in Crystal Lake, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MOTOROLA INC | 5 | 2004–2007 |
| NORTHERN TELECOM LTD | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Crystal Lake, Illinois, US | 5 | 2004–2007 |
| Ottawa, CA | 1 | 1983 |