|
| US5035440 | 9 Ago 1989 | 30 Jul 1991 | Chappell International, Inc. | Pump |
| US5051073 | 31 May 1989 | 24 Sep 1991 | | Bicycle pump |
| US5067882 | 20 Jun 1990 | 26 Nov 1991 | Nordson Corporation | Dual-acting, reciprocating piston pump |
| US5127804 | 27 Mar 1990 | 7 Jul 1992 | Innovative Bicycle Products, Inc. | Bicycle seat-tube pump with one-way valves |
| US5165876 | 26 Nov 1991 | 24 Nov 1992 | | Tire pump |
| US5380175 | 25 Ago 1993 | 10 Ene 1995 | Fuji Xerox | Fluid feed pump with valved piston device |
| US5531575 | 24 Jul 1995 | 2 Jul 1996 | | Hand pump apparatus having two pumping strokes |
| US5681154 | 6 Ene 1997 | 28 Oct 1997 | | Air pump with dual air intakes |
| US5702239 | 6 Ene 1997 | 30 Dic 1997 | | Air pump with dual air intakes |
| US5950555 | 26 Sep 1997 | 14 Sep 1999 | | Bilge pump for a personal watercraft |
