James R Machen

This inventor holds 3 USPTO granted patents. Top assignees: Marine Products, Inc., Nc Dept. of Human Resources, Division of Vocational Rehabilitation. Active years: 1990-1994.

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 5.3

ph-index = 2

Forward Citations = 22(Granted Patents)

Company Filing History:

1 out of 2

Marine Products, Inc.

patents

1 out of 1

Nc Dept. of Human Resources, Division of Vocational Rehabilitation

patent

where one patent can have more than one assignee

Years Active: 1990-1994

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5341680 - Disabled driver assessment system (1994-08-30),

2. D335037 - Chair for bowling alley (1993-04-27),

3. D309941 - Portable air-conditioner for through-hatch marine applications (1990-08-14),

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