Number | Name | Date | Kind |
---|---|---|---|
3544774 | Peklenik | Dec 1970 | |
3931501 | Barr et al. | Jan 1976 | |
3983371 | Siranni et al. | Sep 1976 | |
4009376 | Faraguet | Feb 1977 | |
4017976 | Barr et al. | Apr 1977 | |
4163321 | Cunningham | Aug 1979 | |
4200986 | Ackerman et al. | May 1980 | |
4206633 | McKechnie et al. | Jun 1980 | |
4213331 | Porter | Jul 1980 |
Entry |
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Underwood et al.; "The Surfagage-An Instrument for Roughness Measurement"; Research Labs. Div.-Gener'l Motors Corp.; Mar. 1952. |
"The Profilometer"; Physicists Research Company; Ann Arbor, Mich.; Jun. 1947. |