Granted Patent
Utility
US 6,336,311 · App. 09/546,145
Gang-type rotary lawn mower with rear roller
Inventor:
Richard D. Bednar
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Apr 10, 2000
Inventor
Richard D. Bednar
Assignee (at issue)
RANSOMES AMERICA CORPORATION
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.