Granted Patent
Utility
US 5,871,247 · App. 08/699,598
Crane wheel puller
Inventors:
John B. Greenwell, Charles E. Lander, David Williamson, Stanley G. Barrett, Linda Ingram, Gary K. Jeffries, Donald K. Whitledge, Edwin A. Kuhn, James E. Havener, Michael F. Virden, John H. Scott
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Aug 9, 1996
Inventors
John B. Greenwell
Charles E. Lander
David Williamson
Stanley G. Barrett
Linda Ingram
Gary K. Jeffries
Donald K. Whitledge
Edwin A. Kuhn
James E. Havener
Michael F. Virden
John H. Scott
Assignee (at issue)
Aluminum Company of America
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.