Granted Patent
Utility
US 4,655,799 · App. 06/885,237
Pulse cleaning system for dust filters
Inventors:
Michael A. Bosworth, Richard L. Adams, Bruce Wheaton
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Jul 14, 1986
Inventors
Michael A. Bosworth
Richard L. Adams
Bruce Wheaton
Assignee (at issue)
MAC Equipment, Inc.
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.