Inventor
Dirk Pfeifer
Inventor
Croton-on-Hudson, NY, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Fprimary
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices25%
G06FElectric digital data processing25%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
Y10TTechnical subjects covered by former us classification25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999Based in Buren, DE· patent location history
2011Patents assigned to CHENG JOY (1)· patent assignee history
2011Patents assigned to GOLDFARB DARIO L (1)· patent assignee history
2011Patents assigned to IBM (1)· patent assignee history
2011Patents assigned to MEDEIROS DAVID R (1)· patent assignee history
2011Patents assigned to PFEIFER DIRK (1)· patent assignee history
2011Based in Croton-on-Hudson, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHENG JOY | 1 | 2011 |
| GOLDFARB DARIO L | 1 | 2011 |
| IBM | 1 | 2011 |
| MEDEIROS DAVID R | 1 | 2011 |
| PFEIFER DIRKself | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Croton-on-Hudson, New York, US | 1 | 2011 |
| Buren, DE | 1 | 1999 |