Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434967 | Process for forming copper containing components providing water effluent with lowered copper concentrations | Richard John Emerick, Sr., Joel E. Leiser, Michael John Howerter, Jan Pottinger, Rick W. Brockhouse +1 more | 2002-08-20 |
| 6293336 | Process and apparatus for use with copper containing components providing low copper concentrations portable water | Richard John Emerick, Sr., Joel E. Leiser, Michael John Howerter, Jan Pottinger, Rick W. Brockhouse +1 more | 2001-09-25 |
| 5486288 | Mounting head with safety shut-off valve for replaceable filter cartridge | Ralph F. Stanford | 1996-01-23 |
| 5456830 | Replaceable filter cartridge for actuating safety shut-off valve in mounting head | Ralph F. Stanford | 1995-10-10 |
| 5336406 | Replaceable filter cartridge and head assembly with safety shut-off valve | Ralph F. Stanford | 1994-08-09 |
| D310272 | Combined hair trimmer with charging stand therefore | George P. Gallanis, Kenneth M. Hattori | 1990-08-28 |