Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8037648 | Interlocking tile | — | 2011-10-18 |
| 7676995 | Interlocking tile | — | 2010-03-16 |
| D608858 | Coating material dispensing device | James P. Baltz | 2010-01-26 |
| 7340865 | Interlocking tile | — | 2008-03-11 |
| D504981 | Knee pad | — | 2005-05-10 |
| 6588972 | Standoff block | Robert J. Bergeson | 2003-07-08 |
| 6468149 | Air vent for a vehicle | Richard C. Essig | 2002-10-22 |
| 6309007 | Two-piece hardtop for a sport utility vehicle | Richard C. Essig | 2001-10-30 |
| D442911 | Two-piece hardtop for a sport utility vehicle | Richard C. Essig | 2001-05-29 |
| D405156 | Countertop filter | — | 1999-02-02 |
| D374750 | Sponge mop head | Edward St. Yves | 1996-10-15 |
| D373904 | Handle for a household utensil | Edward St. Yves | 1996-09-24 |
| D349559 | Spray gun handle cover | Roger D. Wheeler | 1994-08-09 |
| 4312174 | Rotary lawn mower | — | 1982-01-26 |
| D258984 | Combined bathtub and shower enclosure | — | 1981-04-21 |