United States
3
2008-01-24
James B. Mercer from , US has applied for patents for these inventions. The list has both pending applications and granted patents:
Nestable, rigid, planar air filter frame
#2 | 2007-12-20Nestable, low-cost, planar air filter frame
#3 | 2007-12-20Nestable, rigid, planar air filter frame
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