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Lakeville, MN, United States of America

Ronald A Plasek

USPTO Granted Patents = 7 (Patent Applications = 1)

Average Co-Inventor Count = 2.8

ph-index = 4

Forward Citations = 35(Granted Patents)

Location History:

Sanibel, FL (US) (2001)
Lakeville, MN (US) (2004 - 2008)

Company Filing History:

Ritchie Engineering Company, Inc.

1 out of 832,880

Other

patents

Years Active: 2001-2008

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7428822 - Vacuum sensor (2008-09-30),

2. 7310965 - Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus (2007-12-25),

3. 7159412 - Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus (2007-01-09),

4. 7073346 - Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor (2006-07-11),

5. 6832491 - Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus (2004-12-21),

6. 6779350 - Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor (2004-08-24),

7. 6311782 - Apparatus for trimming and edging grass around a lawn sprinkler head (2001-11-06),

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