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| Patents for G. H. Holden | |||||
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| Number | Date | Patentee | Title | Type | |
| 611,102 | Sep. 20, 1898 | P. Broadbooks | Combined Wire Shears and Parallel Jaw Pliers | pliers | |
| 615,955 | Dec. 13, 1898 | P. Broadbooks | Combination Tool | pliers | |
| 660,288 | Oct. 23, 1900 | P. Broadbooks | Pruning Shears | pruning implements | |
| 661,488 | Nov. 13, 1900 | P. Broadbooks | Combination Clamp and Lifting Jack | bar and pipe clamps | |
| 665,399 | Jan. 08, 1901 | P. Broadbooks | Drilling Apparatus | portable metal drilling machines | |