Granted Patent
Utility
US 6,334,337 · App. 09/375,805
Air bubbler to increase glass production rate
Inventors:
Pedro B. Macedo, Robert K. Mohr, Hamid Hojaji, Ian L. Pegg, Marek Brandys
Patented Case
View Patent ↗
Granted: Jan 1, 2002
Filed: Aug 17, 1999
Inventors
Pedro B. Macedo
Robert K. Mohr
Hamid Hojaji
Ian L. Pegg
Marek Brandys
Assignees (at issue)
Pedro Buarque de Macedo
Theodore Aaron Litovitz
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.