Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 13, 1998 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 65 Total Citation Count
- May 05, 1978 Earliest Filing
- 7 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4947243 Method of and arrangements for coding and decoding color television signals using a separate series arrangement of a low-pass filter and a vertical temporal filter for each color difference signalExpiredMar 03, 89Aug 07, 90[H04N]
4741472 Method of soldering an integrated circuit and printed circuit boardExpiredJul 28, 86May 03, 88[B23K]
4285021 Circuit for generating an audible signal in tape recorders at the tape endExpiredFeb 23, 79Aug 18, 81[G11B]
4184181 Method and device for tracking video signals on a magnetic tape by detecting phase jumpsExpiredMay 05, 78Jan 15, 80[G11B]
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