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| Patents Granted on 1961-06-27 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,989,881 | Jun. 27, 1961 | R.P. Lavietes | Multiple Use Hand Tool Having A Ratchet Handle | ratcheting screwdrivers | |
| 2,990,032 | Jun. 27, 1961 | R.L. Sandvig | Separator for use with rock drills | separators | |
| 2,990,171 | Jun. 27, 1961 | J.E. Chamberlain, J.E. Grove | Mobile, separable work holder | ||
| 2,990,188 | Jun. 27, 1961 | J.W. Kosinski, B.R. Better | Tool Holder-Rotary Locking Type | drilling and boring tool holders | |