| Patents Granted on 1911-04-__ |
Patents 1 -
15
of 45
      |
| Number | Date | Patentee | Title | Type |
| D41,287 | Apr. 04, 1911 | A.M. Colt | C-Clamp Body | clamps |
| CA-132,071 | Apr. 04, 1911 | N.D. Chard | Tour a Machines | engine lathes |
| CA-132,106 | Apr. 04, 1911 | B.F. Augustine | Rotary engine | rotary engines |
| 988,364 | Apr. 04, 1911 | P. Mathes | Knob | knobs |
| 988,432 | Apr. 04, 1911 | J.R. Blakeslee | Art of Applying Bands onto Leaf Springs | applying leaf spring bands |
| 988,506 | Apr. 04, 1911 | R. Radinse | Rotary brush | grinding wheels |
| 988,656 | Apr. 04, 1911 | W.A. Peck | Pliers | pliers |
| 988,672 | Apr. 04, 1911 | J. Stiriss | Depth Gage | depth gauges |
| 988,723 | Apr. 04, 1911 | J.A. Leland | Change-speed gearing | eggbeater drills |
| 988,802 | Apr. 04, 1911 | C. Munthe, D. Millington | Apparatus for Slitting Screws | screw machines |
| 988,950 | Apr. 04, 1911 | J. Rossel | Skirt-Board Scriber | scribes |
| CA-132,369 | Apr. 11, 1911 | J.F. Pribnow | Saw shaper | saw swages |
| 989,009 | Apr. 11, 1911 | C.L. Heisler | Cylinder Drain Cock Operating Mechanism | locomotive drain cock apparatus |
| 989,035 | Apr. 11, 1911 | W.E. Harrison, R. Parker | Traction Engine | traction engine steering apparatus |
| 989,117 | Apr. 11, 1911 | P.B. Christensen | Tool Holder | lathe tool holders and tool posts |
