Hudsonville, MI, United States of America

Charles Michael Philo

This inventor holds 5 USPTO granted patents. Top assignees: Gm Global Technolgoy Operations, Inc., Delphi Technologies, Inc.. Active years: 1988-2000.

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 4

Forward Citations = 57(Granted Patents)

Location History:

Jenison, MI (US) (1988 - 1993)
Hudsonville, MI (US) (1996 - 2000)

Company Filing History:

4 out of 31,820

Gm Global Technolgoy Operations, Inc.

patents

1 out of 5,161

Delphi Technologies, Inc.

patents

Years Active: 1988-2000

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6148780 - Hydraulic element assembly (2000-11-21),

2. 5775275 - Valve lifter (1998-07-07),

3. 5520144 - Valve actuation assembly (1996-05-28),

4. 5273005 - Enlarged shaft roller lifter with retention means (1993-12-28),

5. 4724805 - Engine valve train module (1988-02-16),

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