| Patents for Giddings & Lewis Machine Tool Co. |
Patents 166 -
180
of 187
      |
| Number | Date | Patentee | Title | Type |
| 3,316,772 | May 02, 1967 | G.H. Jones | Multiple Pinion Wound Up Power Drive | horizontal boring mills |
| 3,318,195 | May 09, 1967 | A.O. Fitzner | Controls for Machine Tools and the Like | machine tool controls |
| 3,323,789 | Jun. 06, 1967 | E.E. Hosea, G.H. Jones, W.L. McCann | Rotary Air Lift Table for Machine Tools | rotary tables |
| 3,332,142 | Jul. 25, 1967 | R.E. Reed, R.A. Lehmkuhl | Tool Holders | workpiece changers and storage mechanisms |
| 3,336,821 | Aug. 22, 1967 | J. Firth | Control of Machine Tools | metalworking machine mechanisms |
| 3,344,511 | Oct. 03, 1967 | E.E. Hosea | Toolholder and Gripping Device for Automatic Tool Changers | tool changers and storage mechanisms |
| 3,348,434 | Oct. 24, 1967 | H.R. Plummer | Boring Bar Assembly for Deep Hole Boring | boring bars |
| 3,355,799 | Dec. 05, 1967 | J. Daugherty | Enclosure for Automatic Tool Changer and Machine Tool | tool changers and storage mechanisms |
| 3,355,800 | Dec. 05, 1967 | J. Daugherty | Machine Tool Headstock | horizontal boring mills |
| 3,358,201 | Dec. 12, 1967 | G.H. Jones | Apparatus for Compensating Machine Feed Driveservomechanisms | metalworking machine mechanisms |
| 3,359,499 | Dec. 19, 1967 | J. Steranka, Jr., J.O. McDonough | Apparatus for Rendering Pulse Trains Non Coincident and Algebraically Combining Them | nc and cnc apparatus |
| 3,383,957 | May 21, 1968 | W.L. McCann | Position Feedback Drive Mechanism for Machine Tools | metalworking power transmission |
| 3,406,595 | Oct. 22, 1968 | L.C. Tullis | Index Unit | indexers and dividers |
| 3,490,017 | Jan. 13, 1970 | T.B. Bullock, N.C. Kolell | Numerical Control Systems Employing Conversion of Changing Command Numbers Into Phase Analog Signals | nc and cnc apparatus |
| 3,543,445 | Dec. 01, 1970 | J.R. Southland, E. Borchert, III | Apparatus for grinding drills | drill grinders |
