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| Patents for Glenn D. Sleeth | |||||
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| Picture | Number | Date | Patentee | Title | |
 | CA-275,935 | Nov. 29, 1927 | G.D. Sleeth, H.W. Oster | Portable power driven threading tool | |
 | 1,655,072 | Jan. 03, 1928 | G.D. Sleeth, H.W. Oster | Diestock | |
 | 1,669,911 | May 15, 1928 | G.D. Sleeth, H.W. Oster | Machine for cutting off pipes and the like | |
 | 1,789,411 | Jan. 20, 1931 | G.D. Sleeth, H.W. Oster | Portable power-driven threading tool | |
 | 1,789,412 | Jan. 20, 1931 | G.D. Sleeth, H.W. Oster | Portable power-driven tool | |