Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6641003 | Low cost trigger sprayer with double valve element | Donald D. Foster | 2003-11-04 |
| 6003738 | Child-resistant rotating lock for manually operated pump dispenser | Donald D. Foster | 1999-12-21 |
| 5938081 | Container and cap closure | Donald D. Foster | 1999-08-17 |
| 5927561 | Reciprocating liquid pump with disc check valve for dispensing lotion and the like | Donald D. Foster | 1999-07-27 |
| 5884845 | Low cost trigger sprayer | — | 1999-03-23 |
| 5816503 | Foam trigger dispenser with sealing device and locking means | — | 1998-10-06 |
| 5794821 | Reciprocating liquid pump with disc check valve for dispensing lotion and the like | Donald D. Foster | 1998-08-18 |
| 5775547 | Lotion dispensing pump with sealing plug for sealing pump chamber | Donald D. Foster | 1998-07-07 |
| 5755384 | Dispenser with selectable discharge nozzle | Donald D. Foster | 1998-05-26 |
| D394008 | Trigger sprayer housing | Donald D. Foster, Mark A. Ochs | 1998-05-05 |
| D394009 | Trigger sprayer housing | Donald D. Foster, Mark A. Ochs | 1998-05-05 |
| RE35744 | Spinner assembly for a sprayer | Donald D. Foster | 1998-03-17 |
| 5715974 | Trigger sprayer having central vent cylinder | Donald D. Foster | 1998-02-10 |
| 5715973 | Manually operated fluid pump for dispensing lotion and the like | Donald D. Foster | 1998-02-10 |
| 5711461 | Liquid dispenser | Donald D. Foster | 1998-01-27 |
| 5704550 | Liquid dispenser with flow control | Donald D. Foster, Martin S. Laffey | 1998-01-06 |
| 5649646 | Child resistant nozzle | Donald D. Foster | 1997-07-22 |
| 5628434 | Trigger sprayer having a pressure buildup valve | Donald D. Foster | 1997-05-13 |
| 5628461 | Two piece fluid spinner and control valve for trigger sprayer | Donald D. Foster | 1997-05-13 |
| 5622317 | Pressure buildup trigger sprayer | Donald D. Foster | 1997-04-22 |
| 5615835 | Trigger sprayer having disc valve | — | 1997-04-01 |
| 5593093 | Low cost trigger sprayer having elastomeric pump and inlet valve | Donald D. Foster | 1997-01-14 |
| 5575407 | Low cost trigger sprayer having container with integral saddle | Donald D. Foster | 1996-11-19 |
| 5566885 | Low cost trigger sprayer having plug with integral valve element | Donald D. Foster | 1996-10-22 |
| 5553752 | Spring for trigger sprayer | Donald D. Foster | 1996-09-10 |