Number | Name | Date | Kind |
---|---|---|---|
3532608 | Serra | Oct 1970 | |
3726773 | Lamb et al. | Apr 1973 | |
3840441 | Hees et al. | Oct 1974 | |
4093522 | Dillenberg | Jun 1978 | |
4234396 | Perakh et al. | Nov 1980 | |
4412892 | Chen et al. | Nov 1973 | |
4416738 | Herrmann, Jr. | Nov 1983 | |
4450050 | Chessin et al. | May 1984 | |
4472249 | Chessin | Sep 1984 |
Entry |
---|
Metal Finishing and Guidebook for 1978, Metals and Plastics Publications, Inc., Hackensack, N.J., pp. 130-131, 160-164. |