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| Patents for William Andrew Haggerty | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,499,830 | Mar. 10, 1970 | W.A. Haggerty, C.E. Foertmeyer | Apparatus for electrochemically forming and finishing gears | electrochemical machining | |
| 3,900,374 | Aug. 19, 1975 | W.A. Haggerty | Method of Electrochemical Machining | electrochemical machining | |
| 4,076,442 | Feb. 28, 1978 | W.A. Haggerty, J.H. Cox, Jr. | Apparatus for Controlling Coolant Flow in Accordance to External Forces Upon a Cutting Tool | machine tool controls | |