Trio sewage treatment plant
Description
FIG. 1 is a top view;
FIG. 2 is a side view;
FIG. 3 is the other side view;
FIG. 4 is a bottom view;
FIG. 5 is an end view; and,
FIG. 6 is the other end view.
Claims
We claim the ornamental design for the trio sewage treatment plant, as shown.
Referenced Cited
Patent History
Patent number: D539383
Type: Grant
Filed: Aug 31, 2005
Date of Patent: Mar 27, 2007
Inventors: Hubbard H. Donald (Downsville, LA), George E. Johnson (Downsville, LA)
Primary Examiner: Robin Webster
Attorney: Phelps Dunbar, LLP
Application Number: 29/237,493
Type: Grant
Filed: Aug 31, 2005
Date of Patent: Mar 27, 2007
Inventors: Hubbard H. Donald (Downsville, LA), George E. Johnson (Downsville, LA)
Primary Examiner: Robin Webster
Attorney: Phelps Dunbar, LLP
Application Number: 29/237,493
Classifications
Current U.S. Class:
Treatment (D23/207)