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Quickborn, Germany

Karl-Heinz Rehfeldt

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 18(Granted Patents)

Location History:

Quickborn, DE (1990)
Ellerbek, DE (1989 - 1991)

Company Filing History:

4 out of 14,087

U.S. Philips Corporation

Years Active: 1989-1991

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5077538 - FM demodulator with carrier shift compensation (1991-12-31),

2. 4897608 - Circuit arrangement for frequency-modulated picture signals (1990-01-30),

3. 4874966 - Multivibrator circuit having compensated delay time (1989-10-17),

4. 4851785 - Circuit arrangement for detecting whether a predetermined frequency (1989-07-25),

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