Granted Patent
Utility
US 4,758,726 · App. 06/839,000
Collimator exchanging system
Inventors:
Foppe Douma, Hendrik J. Meulenbrugge
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Mar 12, 1986
Inventors
Foppe Douma
Hendrik J. Meulenbrugge
Assignee (at issue)
U.S. Philips Corporation
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.