Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6279784 | Trigger activated pump sprayer having a combination dual action spring and fluid chamber | — | 2001-08-28 |
| 5562250 | Multiple component mixing trigger sprayer | — | 1996-10-08 |
| 5358149 | Pressure build-up pump sprayer having anti-clogging means | — | 1994-10-25 |
| 5088629 | Pressure build-up pump sprayer having improved valving means | — | 1992-02-18 |
| 4990014 | Closure assembly having a rotatable stem and an axially movable applicator brush | — | 1991-02-05 |
| 4923094 | Manually operated pressure build-up pump sprayer | — | 1990-05-08 |
| D295796 | Cosmetic holder having removable cover and accessory tray | Ronald Wadsworth, Carl A. Meisterlin, Richard P. Grogan, Brian R. Lindley | 1988-05-17 |
| D293943 | Cosmetic holder | Ronald Wadsworth, Carl A. Meisterlin, Richard P. Grogan | 1988-01-26 |
| 4420101 | Squeeze bottle with self-venting dispensing closure | — | 1983-12-13 |
| 4371097 | Liquid dispensing pump | — | 1983-02-01 |
| 4189064 | Pumps sprayer | Roy T. Wells | 1980-02-19 |