Inventor
Dietmar Pfefferkorn
Inventor
Hemsbach, DE
Overview
Patents· 10 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 transducer83%
C10MLubricating compositions8%
G01RMeasuring electric variables8%
PatentTitleYear
4,964,588'Right parallelepiped cassette for tape-like recording media, and housing part thereof'19904,809,928'Right parallelepiped cassette for tape-like recording media, and housing part thereof'19894,709,288'Adjusting means in particular for guide elements, and magnetic tape cassette possessing such means'19874,656,548'Tape cassette containing echo-erasing means'19874,632,334'Tape cassette, in particular a magnetic tape cassette, and a reel support liner therefor'19864,566,653'Tape cassette comprising a substantially rectangular two-part housing'19864,541,587'Hub for magnetic tape cassettes, especially compact cassettes, and magnetic tape cassette possessing one or more such hubs'19854,515,331'Hub for magnetic tape cassettes, especially compact cassettes, and magnetic tape cassette possessing one or more such hubs'19854,453,683'Magnetic tape cassette arrangements'19844,251,882'Method and apparatus for measuring the electroacoustic properties of magnetic tapes'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1990Patents assigned to BASF AG (10)· patent assignee history
1981–1990Based in Hemsbach, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 10 | 1981–1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hemsbach, DE | 10 | 1981–1990 |