Granted Patent
Utility
US 4,883,510 · App. 07/155,446
Gas inlet construction for fabric filter dust collections
Inventors:
Giambattista Giusti, Robert W. Duyckinck
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Feb 12, 1988
Inventors
Giambattista Giusti
Robert W. Duyckinck
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.