Inventor
Randall P. Chambers
Inventor
Lawrenceville, GA, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission20%
LOC1320%
H04MTelephonic communication10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
A45FTravelling or camp equipment: sacks or packs carried on the body5%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges5%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%
H01QAntennas, i.e. radio aerials5%
H01RElectrically-conductive connections5%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers5%
PatentTitleYear
7,071,419'Tear resistant flexible substrate'20066,458,481'Tolerance and size adaptive spacer for spacing a battery cell'2002D0434722'Battery'2000D0412486'Battery housing'1999D0401550'Battery housing for a portable radio telephone'1998D0398578'Battery housing for a radio telephone'19985,640,461'Vibration reducing radio speaker assembly'19975,551,080'Radio frequency connector'19965,535,437'Portable radio battery latch'19965,450,993'Carry holder'1995D0351383'Two-way radio'19945,109,540'Radio and electronic card assembly'19924,836,708'Self-locking, anti-rotational retaining washer for a \"D\" shaped shaft'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2006Patents assigned to MOTOROLA INC (13)· patent assignee history
1989–1992Based in Fort Lauderdale, FL, US· patent location history
1994–1996Based in Davie, FL, US· patent location history
1995–1997Based in Schaumburg, IL, US· patent location history
1998–2006Based in Lawrenceville, GA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MOTOROLA INC | 13 | 1989–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lawrenceville, Georgia, US | 6 | 1998–2006 |
| Schaumburg, Illinois, US | 3 | 1995–1997 |
| Davie, Florida, US | 2 | 1994–1996 |
| Fort Lauderdale, Florida, US | 2 | 1989–1992 |