| Number | Name | Date | Kind |
|---|---|---|---|
| D339726 | Bruno et al. | Sep 1993 | S |
| D388301 | Steel | Dec 1997 | S |
| D393580 | Bantly et al. | Apr 1998 | S |
| D403564 | Izumisawa | Jan 1999 | S |
| 5918686 | Izumisawa | Jul 1999 | A |
| D434297 | Iritani et al. | Nov 2000 | S |
| D434958 | Izumisawa | Dec 2000 | S |
| D436818 | Izumisawa | Jan 2001 | S |
| D461110 | Izumisawa | Aug 2002 | S |
| Entry |
|---|
| Impact wrench, CP-9533-RS, Light assembly air tools, Chicago Pneumatic catalogue, p. 23,1989, c. Feb. 1989.* |
| Twin hammer heavy duty air impact wrench, ZK-507, Zone King Industrial Co. brochure. |