Number | Name | Date | Kind |
---|---|---|---|
3123657 | Clark, Jr. et al. | Mar 1964 | |
3816996 | Uhtenwoldt | Jun 1974 |
Entry |
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Century- Detroit High-performance Grinding Machines - Babcock & Wilcox pamphlet, 5- 1972. |
Gleason No. 808 Trochoid Generating Grinder - Gleason works, Rochester, N.Y., Form No. SD2212, 11-1972. |