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For the Inventor, By the Inventor

Houston, TX, United States of America

William H Alexander

This inventor holds 6 USPTO granted patents. Top assignees: Vapor Corp., Vapor Corporaion. Active years: 1978-1985.

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 58(Granted Patents)


Company Filing History:

goldMedal5 out of 89 
 
Vapor Corp.
 patents
silverMedal1 out of 1 
 
Vapor Corporaion
 patent

Years Active: 1978-1985

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6 patents (USPTO):Explore Patents
1. 4552335 - Ball valve (1985-11-12),
2. 4450854 - Lubricated split plug valve (1984-05-29),
3. 4449695 - Fire safe plug valve (1984-05-22),
4. 4393893 - Lubricated split plug valve (1983-07-19),
5. 4161308 - Switching valve assembly for fluid motor-driven injector pump (1979-07-17),
6. D246976 - Positive displacement pump (1978-01-17),
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