Granted Patent
Utility
US 5,807,271 · App. 08/843,233
Fetal heartbeat and uterine contraction
Inventors:
Sean K. Tayebi, Farid Souluer, Surinder Tayebi, Jalil Tayebi, Massih K. Tayebi, Masood K. Tayebi
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Apr 14, 1997
Inventors
Sean K. Tayebi
Farid Souluer
Surinder Tayebi
Jalil Tayebi
Massih K. Tayebi
Masood K. Tayebi
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.