Inventor
Manfred Steuerwald
Inventor
Frankenthal, DE
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer31%
Y10TTechnical subjects covered by former us classification23%
G06KGraphical data reading15%
G07DHandling of coins or valuable papers, e.g. testing, sorting by denominations, counting, dispensing, changing or depositing15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%
PatentTitleYear
5,496,633'Transfer film with magnetic layer'19965,264,292'Transfer film having magnetic layers'19934,438,462'Document identification employing exchange-anisotropic magnetic material'19844,396,886'Document authentication by means of exchange-anisotropic magnetic material'19834,272,563'Manufacture of magnetic recording media having a wear-resistant surface'19813,996,407'Magnetic recording media'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1996Patents assigned to BASF AG (5)· patent assignee history
1976–1996Based in Frankenthal, DE· patent location history
1993Patents assigned to BASF MAGNETICS GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 5 | 1976–1996 |
| BASF MAGNETICS GMBH | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Frankenthal, DE | 6 | 1976–1996 |