Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467657 | Pump assembly with one piece piston | Ronald F. Englhard | 2002-10-22 |
| 6345773 | Aspiration-type sprayer | Ronald F. Englhard, Stephen B. Leonard, Kenneth H. Kloet | 2002-02-12 |
| D451581 | Hose end sprayer | Ronald F. Englhard | 2001-12-04 |
| 6296154 | Pump assembly with one piece piston | Ronald F. Englhard | 2001-10-02 |
| 6089414 | Pump assembly with one piece piston | Ronald F. Englhard | 2000-07-18 |
| D418201 | Bottle, pump and sprayer assembly | Ronald F. Englhard | 1999-12-28 |
| D417618 | Pump assembly | Ronald F. Englhard | 1999-12-14 |
| 5918782 | Pump assembly with sprayer | Ronald F. Englhard | 1999-07-06 |
| D407312 | Sprayer | Ronald F. Englhard | 1999-03-30 |
| 5860574 | Pump assembly with bayonet lock | Ronald F. Englhard | 1999-01-19 |
| D402205 | Bottle | Ronald F. Englhard | 1998-12-08 |
| 5816447 | Non-aerosol pump spray apparatus | Ronald F. Englhard | 1998-10-06 |
| 5810211 | Pump assembly with sliding plug | Ronald F. Englhard | 1998-09-22 |
| 5462099 | System and method for pressurizing dispensing containers | Scott W. Demarest, Robert E. Corba, Allen D. Miller, John M. Fritz | 1995-10-31 |
| D358865 | Aspiration-type sprayer | Ronald F. Englhard | 1995-05-30 |
| D358443 | Insect trap | Scott W. Demarest | 1995-05-16 |
| 5409166 | Battery-powered particulate spreader | Rudolph M. Gunzel, Jr., Darcy E. Staggs, Roy K. Fujitaki | 1995-04-25 |
| 5383603 | Aspiration-type sprayer | Ronald F. Englhard | 1995-01-24 |
| 5213265 | Single valve aspiration type sprayer | Ronald F. Englhard | 1993-05-25 |
| 5119993 | Portable particulate material spreader | Rudolph M. Gunzel, Jr., Scott W. Demarest, David John Edwards | 1992-06-09 |
| 5100059 | Single valve aspiration type sprayer | Ronald F. Englhard | 1992-03-31 |
| D319292 | Sprayer head | Rudolph M. Gunzel, Jr., Ronald F. Englhard | 1991-08-20 |
| D319019 | Holder for a beverage carton | William J. Segal, Martin A. Spiegel, William Kovensky | 1991-08-13 |
| 5039016 | Aspiration-type chemical sprayer | Rudolph M. Gunzel, Jr., Ronald F. Englhard | 1991-08-13 |
| 4974744 | Holder for ultra-pasteurized drink carton | William J. Segal, Martin A. Spiegel, William Kovensky | 1990-12-04 |