Granted Patent
Utility
US 4,502,486 · App. 06/444,470
Device for veterinary obstetrical delivery
Inventor:
Werner Weiland
Patented Case
View Patent ↗
Granted: Mar 5, 1985
Filed: Nov 24, 1982
Inventor
Werner Weiland
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.