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Doylestown, PA, United States of America

Raymond F Gastgeb

USPTO Granted Patents = 9

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 1.7

ph-index = 8

Forward Citations = 318(Granted Patents)

Company Filing History:

Pennwalt Corporation

Rtom Corporation

Pharmacopeia Inc.

Atochem North America, Inc.

5. 1 out of 1,709

The Whitaker Corporation

where one patent can have more than one assignee

Years Active: 1989-2013

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. RE43885 - Practice drumhead assembly (2012-12-31),

2. 7781661 - Drumhead assembly (2010-08-24),

3. 7514617 - Practice drumhead assembly (2009-04-07),

4. 5988869 - Agitator for orbital agitation (1999-11-23),

5. 5336959 - Impact zone detection device (1994-08-09),

6. 5034648 - Dual direction switch (1991-07-23),

7. 4904222 - Synchronized sound producing amusement device (1990-02-27),

8. 4870868 - Vibration sensing apparatus (1989-10-03),

9. 4841256 - Piezoelectric phase locked loop circuit (1989-06-20),

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