Granted Patent
Utility
US 6,553,831 · App. 09/723,367
Spring-mounted wheel balancing weight
Inventors:
Steven J. Schmidt, William Carl Thon, Kevin William Quillen
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Nov 28, 2000
Inventors
Steven J. Schmidt
William Carl Thon
Kevin William Quillen
Assignee (at issue)
PERFECT EQUIPMENT INC.
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.