| Patents Granted on 1891-07-28 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| CA-37,074 | Jul. 28, 1891 | T. Newman | Pipe Wrench | pipe wrenches |
| 456,560 | Jul. 28, 1891 | H.H. Fuller | Drill-press | drill presses |
| 456,704 | Jul. 28, 1891 | C.L. Morse | Machine for Reseating Valves | valve reseating machines |
| 456,722 | Jul. 28, 1891 | W.H. Dodge | Pulley | industrial machine pulleys and belt drive mechanisms |
| 456,731 | Jul. 28, 1891 | H.D. Richters, E.C. Mershon | Pulley | industrial machine pulleys and belt drive mechanisms |
| 456,778 | Jul. 28, 1891 | J.A. Ross | Tire Bolt Wrench | tire bolt wrenches |
| 456,804 | Jul. 28, 1891 | M. von Dolivo-Dobrowolsky | Alternating-current motor | induction motors |
| 456,830 | Jul. 28, 1891 | M. Martin | Machine Wrench | tire bolt wrenches |
| 456,853 | Jul. 28, 1891 | J.H. Hamilton, A. Rollason | Gas or Vapor Engine | gas and gasoline engines |
| 456,860 | Jul. 28, 1891 | H.R. Spencer | Nipple Holder | |
| 456,875 | Jul. 28, 1891 | S.H. Bellows | Micrometer Gage | micrometers |
| 456,882 | Jul. 28, 1891 | L.H. Brightman | Shaft Turning Machine | shaft turning lathes |
| 456,909 | Jul. 28, 1891 | A.C. Rice | Friction-clutch | friction clutches |
