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| Patents for United States Drill Head Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,608,112 | Aug. 26, 1952 | A.P. Speckin | Adjustable multiple spindle head | ||
| 2,709,267 | May 31, 1955 | J.R. Bashor, A.P. Speckin | Precision tapping spindle | ||
| 2,884,818 | May 05, 1959 | J.R. Bashor, A.P. Speckin | Drill head | ||
| 3,195,414 | Jul. 20, 1965 | J.R. Bashor | Fully automatic keyway shaper | ||
| 3,250,181 | May 10, 1966 | J.R. Bashor | Fully automatic keyway shaper | ||
| 3,431,799 | Mar. 11, 1969 | J.R. Bashor | Chip breaker | ||