Ann Arbor, Michigan
United States
4
2008-01-24
The entities that hold a legal rights for patent applications filed by inventor Rampton Frank:
Frank Rampton from Ann Arbor, US has applied for patents for these inventions. The list has both pending applications and granted patents:
METHOD AND DEVICE FOR THE PROTECTION OF A PIPE PORTION
#2 | 2007-02-08Method and apparatus for protecting conduits
#3 | 2006-01-19Method and apparatus for protecting conduit systems
#4 | 2005-04-21Method and device for the protection of a pipe portion
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