Granted Patent
Utility
US 6,443,953 · App. 09/518,961
Self-aligning cap nut for use with a spinal rod anchor
Inventors:
Joseph H. Perra, Rolando M. Puno, Philip Mellinger
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Mar 6, 2000
Inventors
Joseph H. Perra
Rolando M. Puno
Philip Mellinger
Assignee (at issue)
Cross Medicalproducts, 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.