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| Patents for William P. Kilroy | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,628,467 | May 10, 1927 | S. Mandl | Wrench | ratchet wrenches | |
| 1,724,491 | Aug. 13, 1929 | S. Mandl | Wrench | ratchet wrenches | |
| 1,749,442 | Mar. 04, 1930 | F. Pass | Knife Sharpener | sharpening apparatus | |
| 1,775,402 | Sep. 09, 1930 | S. Mandl | Wrench Outfit | socket wrenches | |