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| Patents Granted on 1973-10-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| D228,732 | Oct. 23, 1973 | I.R. Danielson | Percussive tool | ||
| 3,766,771 | Oct. 23, 1973 | S.A. Spachner, P.D. Desai | Extruding press | extruding machines and dies | |
| 3,767,317 | Oct. 23, 1973 | R.M. Ortlieb | Double Bladed Cutting Tool | drilling and boring tool holders | |