Granted Patent
Utility
US 5,707,561 · App. 08/683,817
Tamper resistant carburetor needle valve adjustment limiter
Inventor:
Mark S. Swanson
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: Jul 18, 1996
Inventor
Mark S. Swanson
Assignee (at issue)
WALBRO LLC
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.