Granted Patent
Utility
US 4,045,314 · App. 05/581,851
Waste evaporation disposal system
Inventors:
Robert L. Rod, Walter L. Penick, Jr., Henry B. Heller
Patented Case
View Patent ↗
Granted: Aug 30, 1977
Filed: May 29, 1975
Inventors
Robert L. Rod
Walter L. Penick, Jr.
Henry B. Heller
Assignee (at issue)
Monogram Industries Inc.
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.