Granted Patent
Utility
US 6,202,699 · App. 09/259,523
Solenoid valve
Inventors:
Roland Meyer, Alfred Trzmiel
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Feb 26, 1999
Inventors
Roland Meyer
Alfred Trzmiel
Assignee (at issue)
Hydraulik-Ring GmbH
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.