Walter W Chamberlain

This inventor holds 3 USPTO granted patents. Top assignees: Armstrong Cork Company, Armstrong World Industries, Inc., Awi Licensing Company. Active years: 1976-2003.

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 34(Granted Patents)

Company Filing History:

1 out of 224

Armstrong Cork Company

patents

1 out of 449

Armstrong World Industries, Inc.

patents

1 out of 156

Awi Licensing Company

patents

Years Active: 1976-2003

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3 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6616804 - Durable acoustical panel and method of making the same (2003-09-09),

2. 5231810 - Ceiling board aperture (1993-08-03),

3. 3954540 - Method of making perforated vinyl film ceiling board (1976-05-04),

Profile summary based on public USPTO records.

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