Number | Name | Date | Kind |
---|---|---|---|
3005347 | Smithson | Oct 1961 | |
3659461 | Thompson | May 1972 | |
3690179 | Olson | Sep 1972 | |
4055088 | Diss | Oct 1977 | |
4082004 | Weber et al. | Apr 1978 | |
4120203 | Clements et al. | Oct 1978 | |
4170900 | Ozawa | Oct 1979 | |
4538472 | Skarpness | Sep 1985 |
Entry |
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Brochure from Gustafson, Inc. |
Brochures from InterSystems Industrial Products, Inc. |
Brochure from Quality Control Equipment Company. |