Los Alamitos, California
United States
5
2012-07-12
The entities that hold a legal rights for patent applications filed by inventor Olson David L.:
David L. Olson from Los Alamitos, US has applied for patents for these inventions. The list has both pending applications and granted patents:
ID centralizer
#2 | 2011-11-24INSERTABLE SURFACE-DRIVEN PUMP
#3 | 2009-06-11High velocity string for well pump and method for producing well fluid
#4 | 2009-06-04Mechanical seal and lock for tubing conveyed pump system
#5 | 2007-04-05Non-tubing deployed well artificial lift system
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