Assignee
WOLVERTON BILLY C
US·4 granted patents·280 citations·filing 1990–1993
Top patents by PatentIndex Score
4 records- 0194US5269094AApparatus for purifying waste water and air in an indoor environmentWOLVERTON BILLY C·Filed 1992·Granted Dec 14, 1993·91 cites·8 claims
- 0290US5137625AAquatic plant/microbial water purification systemWOLVERTON BILLY C·Filed 1990·Granted Aug 11, 1992·71 cites·5 claims
- 0389US5217696ACombined lamp and indoor air purification apparatusWOLVERTON BILLY C·Filed 1992·Granted Jun 8, 1993·102 cites·6 claims
- 0445US5351438APlanter container for indoor air purificationWOLVERTON BILLY C·Filed 1993·Granted Oct 4, 1994·16 cites·4 claims
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