Inventor
Charles F. Liebler
Inventor
Holmdel, NJ, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission20%
H04MTelephonic communication20%
LOC1320%
LOCD120%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
5,697,070'Battery pack for portable transceiver'1997D0384936'Telephone battery pack'1997D0332610'Telephone handset or similar article'1993D0301144'Telephone stand'1989D0301146'Telephone handset'1989D0301143'Telephone stand'1989D0294496'Telephone set or similar article'1988D0294500'Telephone handset'1988D0262286'Enclosure for a mobile microphone-transmitter assembly'19814,224,482'Mobile microphone-transmitter assembly'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1981Based in Piscataway, NJ, US· patent location history
1988Patents assigned to AMERICAN TELEPHONE & TELEGRAPH COMPANY AT&T INFORMATION SYSTEMS INC (2)· patent assignee history
1988–1997Based in Holmdel, NJ, US· patent location history
1989Patents assigned to AT&T INFORMATION SYSTEMS INC (2)· patent assignee history
1989Patents assigned to AMERICAN TELEPHONE & TELEGRAPH COMPANY (1)· patent assignee history
1989Patents assigned to AMERICAN TELEPHONE AND TELEGRAPH (1)· patent assignee history
1997Patents assigned to LUCENT TECHNOLOGIES INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMERICAN TELEPHONE & TELEGRAPH COMPANY AT&T INFORMATION SYSTEMS INC | 2 | 1988 |
| AT&T INFORMATION SYSTEMS INC | 2 | 1989 |
| LUCENT TECHNOLOGIES INC | 2 | 1997 |
| AMERICAN TELEPHONE & TELEGRAPH COMPANY | 1 | 1989 |
| AMERICAN TELEPHONE AND TELEGRAPH | 1 | 1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Holmdel, New Jersey, US | 8 | 1988–1997 |
| Piscataway, New Jersey, US | 2 | 1980–1981 |