Inventor
Clifford L. Hall
Inventor
Austin, TX, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication28%
H04LTransmission of digital information, e.g. telegraphic communication26%
H04QSelecting21%
H04JMultiplex communication17%
G06FElectric digital data processing6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
8,627,509'System and method for monitoring content'20148,180,920'System and method for processing content'20127,818,355'System and method for managing content'20106,282,273'Communication server apparatus using frequency multiplexing and method'20016,169,788'Communication server apparatus having distributed switching and method'20016,014,431'Communication server apparatus having four-wire switching interface and method'20005,970,051'Reduction of errors in D4 channel bank by multiframe comparison of transmit enable lead to determine whether analog channel unit is installed in D4 channel bank slot'19995,905,781'Communication server apparatus and method'19995,898,761'Communication server apparatus using digital signal switching and method'19995,852,655'Communication server apparatus having distributed switching and method'19985,822,398'Control of operating states of channel unit installed in performance monitoring capable D4 channel bank'19985,781,617'Communication server apparatus using frequency multiplexing and method'19985,712,898'D4 channel bank with multi-mode formatted, performance-monitoring communication bus'19985,661,778'Performance monitoring of DSO channel via D4 channel bank'19975,608,735'Logical transform operator-based method and apparatus for extracting framing pattern from serial digital bit stream'19975,579,320'Channel unit transmission for removing false data bits in adjacent unterminated channel slots for D4 and SLC-96 channel banks'19965,473,665'Performance monitoring of DS0 channel via D4 channel bank'19955,337,306'Digital tandem channel unit interface for telecommunications network'19945,327,433'Digital tandem channel unit interface for telecommunications network'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to ADTRAN CORP (2)· patent assignee history
1994–1998Based in Huntsville, AL, US· patent location history
1996–1999Patents assigned to ADTRAN INC (6)· patent assignee history
1997–1998Based in Brownsboro, AL, US· patent location history
1998–2014Based in Austin, TX, US· patent location history
1999–2001Patents assigned to CISCO TECH IND (5)· patent assignee history
2010–2014Patents assigned to HALL III CLIFFORD L (3)· patent assignee history
2010–2012Patents assigned to MILLS BRENDON W (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ADTRAN INC | 6 | 1996–1999 |
| CISCO TECH IND | 5 | 1999–2001 |
| HALL III CLIFFORD Lself | 3 | 2010–2014 |
| ADTRAN CORP | 2 | 1994 |
| MILLS BRENDON W | 2 | 2010–2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Austin, Texas, US | 11 | 1998–2014 |
| Huntsville, AL, US | 6 | 1994–1998 |
| Brownsboro, AL, US | 2 | 1997–1998 |