Belpre, Ohio
United States
2
2008-11-13
The entities that hold a legal rights for patent applications filed by inventor Harper Robert M.:
Robert M. Harper from Belpre, US has applied for patents for these inventions. The list has both pending applications and granted patents:
POLYVINYLBUTYRAL INTERLAYER SHEET WITH IMPROVED ADHESION TO GLASS AND A PROCESS FOR PREPARING SAME
#2 | 2005-10-20Polyvinylbutyral interlayer sheet with improved adhesion to glass and a process for preparing same
4290171 ⎘