Inventor
Kurt A. Hedlund
Inventor
Oak Park, IL, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication58%
H04QSelecting25%
G06FElectric digital data processing8%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses8%
PatentTitleYear
7,593,495'Method for performing high resolution phase alignment of multiple clocks using low resolution converters'20096,091,730'Control of asynchronous transfer mode (ATM) switching networks'20006,091,731'Duplication in asychronous transfer mode (ATM) network fabrics'20005,412,646'Asynchronous transfer mode switch architecture'19955,136,584'Hardware interface to a high-speed multiplexed link'19924,734,908'High speed trunk interface with concurrent protocol handlers'19884,567,595'Multiline error detection circuit'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1992Patents assigned to AT & T BELL LAB (2)· patent assignee history
1986–1992Based in Chicago, IL, US· patent location history
1988Patents assigned to AMERICAN TELEPHONE & TELEGRAPH (1)· patent assignee history
1995Patents assigned to AT & T CORP (1)· patent assignee history
1995–2009Based in Oak Park, IL, US· patent location history
2000Patents assigned to LUCENT TECHNOLOGIES INC (2)· patent assignee history
2009Patents assigned to ARRIS GROUP INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AT & T BELL LAB | 2 | 1986–1992 |
| LUCENT TECHNOLOGIES INC | 2 | 2000 |
| AMERICAN TELEPHONE & TELEGRAPH | 1 | 1988 |
| ARRIS GROUP INC | 1 | 2009 |
| AT & T CORP | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oak Park, Illinois, US | 4 | 1995–2009 |
| Chicago, Illinois, US | 3 | 1986–1992 |