Ford W. Hall

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Lexington, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for cleaning a waste water treatment tank
- Patent number 8,499,405
- Issue date Aug 6, 2013
- Ford W. Hall Company
- Jerold W. Ristau
- B08 - CLEANING
Information Patent Grant
Self-propelled apparatus for cleaning a water treatment tank
- Patent number 4,978,447
- Issue date Dec 18, 1990
- Ford W. Hall Company
- Ford W. Hall
- B08 - CLEANING
Information Patent Grant
Apparatus for cleaning algae and debris from a water treatment tank
- Patent number 4,830,748
- Issue date May 16, 1989
- Ford W. Hall
- B08 - CLEANING