Granted Patent
Utility
US 4,794,694 · App. 07/150,831
Broad putty knife with snap-on tang
Inventors:
Podlesny B. Daniel, Ralph Lopez, Kurt Waldner
Patented Case
View Patent ↗
Granted: Jan 3, 1989
Filed: Feb 1, 1988
Inventors
Podlesny B. Daniel
Ralph Lopez
Kurt Waldner
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.