Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D465566 | Room air purifier device | Richard T. Briggs, William Schuettenberg, Vincent G. Lobdell, Max Bablok, Scott W. Osiecki +2 more | 2002-11-12 |
| D462754 | Room air purifier device | Richard T. Briggs, William Schuettenberg, Vincent G. Lobdell, Max Bablok, Scott W. Osiecki +2 more | 2002-09-10 |
| 6413301 | Electronically enhanced media air filtration system and method of assembling | Richard T. Briggs, Max Bablok, Herbert Hildebrandt, Richard H. Chapman, Robert S. Englert +4 more | 2002-07-02 |
| 6368391 | Electronically enhanced media air filtration system | Richard T. Briggs, Max Bablok, Herbert Hildebrandt, Richard H. Chapman, Robert S. Englert +4 more | 2002-04-09 |
| D406788 | Decorative light holder | William E. Adams, Douglas C. Stainbrook | 1999-03-16 |