Granted Patent
Utility
US 4,191,313 · App. 05/927,566
Trigger operated dispenser with means for obtaining continuous or intermittent discharge
Inventors:
William S. Blake, Roy Hammett
Patented Case
View Patent ↗
Granted: Mar 4, 1980
Filed: Jul 24, 1978
Inventors
William S. Blake
Roy Hammett
Assignee (at issue)
James D. Pauls and J. Claybrook Lewis and Associates, Limited
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.