Granted Patent
Utility
US 4,208,013 · App. 05/774,785
Portable chemical spraying apparatus with disposable chemical container
Inventors:
Bobby W. Coleman, John R. Frassanito, Richard O. Norman, James G. Parke
Patented Case
View Patent ↗
Granted: Jun 17, 1980
Filed: Mar 7, 1977
Inventors
Bobby W. Coleman
John R. Frassanito
Richard O. Norman
James G. Parke
Assignee (at issue)
Micro-Gen Equipment Corporation
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.