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| Patents for Bryant H. Blood | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,487,834 | Mar. 25, 1924 | B.H. Blood | Reversible Gauge | plug gauges | |
| 1,490,413 | Apr. 15, 1924 | B.H. Blood | Linear Measuring Machine | measuring calipers | |
| 1,529,296 | Mar. 10, 1925 | B.H. Blood | Gauge | thread gages | |
| 1,533,369 | Apr. 14, 1925 | B.H. Blood | Thread Gauge Construction | thread gages | |
| 1,588,003 | Jun. 08, 1926 | B.H. Blood | Thread-hobbing machine | thread hobbing and thread milling machines | |