Granted Patent
Utility
US 4,818,296 · App. 07/126,126
Scraper for sugar centrifuge
Inventors:
Conny Hejman, Laszlo Koran, Bo Mossheden
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: Nov 27, 1987
Inventors
Conny Hejman
Laszlo Koran
Bo Mossheden
Assignee (at issue)
Nils Weibull AB
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.