Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223951 | Anti-clog pump sprayer | Kenneth D. Siegel | 2001-05-01 |
| 6158625 | Anti-clog pump sprayer | Kenneth D. Siegel | 2000-12-12 |
| D407313 | Sprayer head for manually actuated pump sprayer | Ronald Wadsworth, Li-Hsueh Chen | 1999-03-30 |
| 5738250 | Liquid dispensing pump having water seal | James R. Gillingham, Kenneth D. Siegel | 1998-04-14 |
| 5720419 | Pre-compression pump sprayer having improved inlet and discharge valving and an improved pump priming feature | — | 1998-02-24 |
| 5560545 | Dual in-line trigger sprayer | R. Pat Grogan, James R. Gillingham | 1996-10-01 |