Granted Patent
Utility
US 4,918,861 · App. 07/271,729
Plant growth bed with high loft textile fibers
Inventors:
Tim Dewey Carpenter, Claude C. Hobbs
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Nov 15, 1988
Inventors
Tim Dewey Carpenter
Claude C. Hobbs
Assignee (at issue)
Hobbs Bonded Fibers
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.