Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D449407 | Applicator for applying a viscous fluid | Douglas K. Ewald, John L. Knight, Jr., David B. Shaffer | 2001-10-16 |
| D447279 | Lotion applicator with hinged handle | Douglas K. Ewald, John L. Knight, Jr., David B. Shaffer | 2001-08-28 |
| 6261014 | Apparatus for applying a viscous lotion | Douglas K. Ewald, John L. Knight, Jr., David B. Shaffer | 2001-07-17 |
| 5451763 | Personal medical IC card and read/write unit | David Pickett | 1995-09-19 |
| 4908017 | Failsafe apparatus and method for effecting syringe drive | David C. Howson, Michael W. Fellinger, John A. Popken, Bennett Scharf, Walter E. Oshetski | 1990-03-13 |
| 4846797 | Syringe positioning device for enhancing fluid flow control | David C. Howson, Michael W. Fellinger, John A. Popken | 1989-07-11 |
| 4428012 | Method and apparatus for storing and retrieving information | Roy A. Applequist, Glade N. Bagnell, Robert F. Hoppe, James O. Jacques, Terry G. Johnson | 1984-01-24 |
| 4418369 | Method and structure for maintaining a low contaminated enclosure | Roy A. Applequist, Robert F. Hoppe | 1983-11-29 |