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Anoka, MN, United States of America

Raymond A Koehler

This inventor holds 4 USPTO granted patents. Top assignee: Uop Lcc. Active years: 1980-1984.

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 4

Forward Citations = 79(Granted Patents)

Location History:

Oak Grove, MN (US) (1980)
Anoka, MN (US) (1983 - 1984)

Company Filing History:

Years Active: 1980-1984

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4452656 - Method and apparatus for making plastic screen panels (1984-06-05),

2. 4428423 - Well screen end fitting assembly and method of making same (1984-01-31),

3. 4374169 - Abrasion resistant, reinforced screen panel member (1983-02-15),

4. 4200218 - Method of attaching fittings to a cylindrical well screen (1980-04-29),

Profile summary based on public USPTO records.

Please report any incorrect information to [email protected]

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