Issued Patents All Time
Showing 76–100 of 135 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5704550 | Liquid dispenser with flow control | Philip L. Nelson, Martin S. Laffey | 1998-01-06 |
| 5697556 | Liquid dispenser having discharge valve assembly | — | 1997-12-16 |
| D385492 | Trigger sprayer housing | Martin S. Laffey | 1997-10-28 |
| 5656227 | Method of making a one-piece trigger sprayer housing | — | 1997-08-12 |
| 5649646 | Child resistant nozzle | Philip L. Nelson | 1997-07-22 |
| 5645221 | Trigger sprayer having air vent sleeve with integral check valve | — | 1997-07-08 |
| 5628461 | Two piece fluid spinner and control valve for trigger sprayer | Philip L. Nelson | 1997-05-13 |
| 5628434 | Trigger sprayer having a pressure buildup valve | Philip L. Nelson | 1997-05-13 |
| 5622317 | Pressure buildup trigger sprayer | Philip L. Nelson | 1997-04-22 |
| 5609299 | Bottle adapter for dual piston trigger sprayer | Martin S. Laffey, John A. Zurcher | 1997-03-11 |
| 5601211 | Container for liquid dispenser | — | 1997-02-11 |
| 5593093 | Low cost trigger sprayer having elastomeric pump and inlet valve | Philip L. Nelson | 1997-01-14 |
| 5590834 | One-piece trigger sprayer housing | — | 1997-01-07 |
| 5575407 | Low cost trigger sprayer having container with integral saddle | Philip L. Nelson | 1996-11-19 |
| 5566885 | Low cost trigger sprayer having plug with integral valve element | Philip L. Nelson | 1996-10-22 |
| 5553750 | Liquid dispenser having adaptor for remote operation | — | 1996-09-10 |
| 5553752 | Spring for trigger sprayer | Philip L. Nelson | 1996-09-10 |
| 5551636 | Low cost trigger sprayer having elastomeric pump with internal guide means | Philip L. Nelson | 1996-09-03 |
| 5549249 | Fluid spinner and nozzle head assembly with controlled fluid flood path | Philip L. Nelson | 1996-08-27 |
| 5540360 | Invertible trigger sprayer assembly | Philip L. Nelson | 1996-07-30 |
| 5513800 | Low cost trigger sprayer having pump with internal spring means | Philip L. Nelson | 1996-05-07 |
| 5509608 | Low cost trigger sprayer having spinner with integral elastomeric check and primary valves | Philip L. Nelson | 1996-04-23 |
| 5507437 | Low cost trigger sprayer having housing with integral saddle | Philip L. Nelson | 1996-04-16 |
| 5499766 | Nozzle assembly for trigger sprayer | Philip L. Nelson | 1996-03-19 |
| 5485942 | Liquid dispenser assembly with container having a sloped handle | — | 1996-01-23 |