Inventor
Peter J. Keller
Inventor
Lake Forest, IL, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G06Fprimary
G06FElectric digital data processing38%
G11BInformation storage based on relative movement between record carrier and transducer38%
A47BTables5%
A47GHousehold or table equipment5%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes5%
G07FCoin-freed or like apparatus5%
H04LTransmission of digital information, e.g. telegraphic communication5%
PatentTitleYear
8,400,888'Personal digital stereo player having controllable touch screen'20137,933,171'Personal digital stereo player'20117,817,502'Method of using a personal digital stereo player'20107,289,393'Music jukebox'20077,231,371'Method and system for ordering and delivering digital certificates'20076,621,768'Compact disc recorder'20036,618,462'Digital frequency divider'20036,587,403'Music jukebox'20036,587,404'Optical storage device capable of recording a set of sound tracks on a compact disc'20036,172,948'Optical storage device'20015,706,740'Tree shelf'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Based in Hayward, WI, US· patent location history
2001–2013Patents assigned to ADVANCED AUDIO DEVICES LLC (8)· patent assignee history
2001–2007Based in Lake Forest, IL, US· patent location history
2003Patents assigned to GLOBESPAN VIRATA INC (1)· patent assignee history
2003Based in Tinton Falls, NJ, US· patent location history
2007Patents assigned to SWISSCOM MOBILE AG (1)· patent assignee history
2007Based in Villars-sur-Glane, CH· patent location history
2010–2013Based in Grayslake, IL, US· patent location history
2013Patents assigned to KELLER PETER J (1)· patent assignee history
2013Patents assigned to KELLEY MICHAEL J (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ADVANCED AUDIO DEVICES LLC | 8 | 2001–2013 |
| GLOBESPAN VIRATA INC | 1 | 2003 |
| KELLER PETER Jself | 1 | 2013 |
| KELLEY MICHAEL J | 1 | 2013 |
| SWISSCOM MOBILE AG | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lake Forest, Illinois, US | 5 | 2001–2007 |
| Grayslake, Illinois, US | 3 | 2010–2013 |
| Villars-sur-Glane, CH | 1 | 2007 |
| Tinton Falls, New Jersey, US | 1 | 2003 |
| Hayward, WI, US | 1 | 1998 |