Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626210 | Flexible arm assembly | Harold A. Luettgen | 2003-09-30 |
| D370051 | Filter funnel | Jeffrey T. Samson, Roberta L. Callaghan, Joseph W. Cacka, James M. Jennings | 1996-05-21 |
| D369850 | Filter funnel base | James M. Jennings | 1996-05-14 |
| 5503740 | Filter funnel having releasably mounted reservoir | Roberta L. Callaghan | 1996-04-02 |
| 5316216 | Showerhead | Michael W. Koliha, David W. Smith | 1994-05-31 |
| 4674687 | Showerhead | David W. Smith | 1987-06-23 |
| 4598866 | Showerhead | David W. Smith | 1986-07-08 |
| 4561593 | Showerhead | David W. Smith | 1985-12-31 |
| 4416628 | Push-button switch as used in oral hygiene appliance | Christopher W. Elkins, Clarence J. Hickman, Keith M. Mullins | 1983-11-22 |
| 4337040 | Oral hygiene appliances | Christopher W. Elkins, Clarence J. Hickman, Keith M. Mullins | 1982-06-29 |
| 4309783 | Adjustably conformable bed | Keith M. Mullins | 1982-01-12 |
| 4302186 | Oral hygiene appliances | Christopher W. Elkins, Clarence J. Hickman | 1981-11-24 |
| 4190207 | Pulsating spray apparatus | Stephen C. Fienhold | 1980-02-26 |