Granted Patent
Utility
US 6,406,217 · App. 09/927,117
Lifting and placing device for seabed mats
Inventors:
David R. Daniel, Derek W. Dice, Todd D. MacNeill, Kenneth L. McAllister, Thomas E. Wimp
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Aug 10, 2001
Inventors
David R. Daniel
Derek W. Dice
Todd D. MacNeill
Kenneth L. McAllister
Thomas E. Wimp
Assignee (at issue)
Lee Masonry Products, 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.