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| Patents for Henry Briggs | |||||
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| Number | Date | Patentee | Title | Type | |
| 492,693 | Feb. 28, 1893 | T.F. McLoughlin | Tool-driver | spiral screwdrivers | |
| 1,317,126 | Sep. 23, 1919 | H. Briggs | Guide or Gage for Hand-Tools | ||
| 1,406,924 | Feb. 14, 1922 | H. Briggs | Guide or Gauge for Reciprocating Hand Tools | saw sharpening tools | |