| Patent No. | Patent Title: |
| 4456076 | Power-driven hand tool |
| 4448099 | Work handling method |
| 4446931 | Power driven hammer drill |
| 4443977 | Machine for producing parts having skew surfaces of predetermined... |
| 4444273 | Torque control system for catheads |
| 4442905 | Jig assembly for drilling vertically upward |
| 4442636 | Dual head edge sharpening device for skis |
| 4439953 | Abrasive disc holder |
| 4439952 | Portable grinder assembly |
| 4438601 | Sandpaper cleaning device |
| 4437271 | Surface treating pad having a renewable surface |
| 4434583 | Automatically adjustable workpiece guide and feed mechanism |
| 4429753 | Rotary pull down pull up drive for drill pipes |
| 4426811 | Method of and apparatus for grinding the edges of glass sheets |
| 4425826 | Tool for removing lids from tins |
| 4423568 | Splash shield and cuttings guard for glass router |
| 4421180 | Pile driver |
| 4419847 | Device for supporting and moving a tool within a tapping |
| 4418769 | Hammer starting mechanism |
| 4418764 | Fluid impulse torque tool |
| 4418768 | Manual torque magnifying impact tool |
| 4417628 | Earth boring apparatus |
| 4416338 | Control mechanism for a pneumatic tool |
| 4413687 | Hydraulically operated impact device |
| 4413686 | Wedge arrangement for locking together hammerhead and anvil |
| 4412401 | Apparatus for processing tubes |
| 4411105 | Precision drill bit resurfacing tool |
| 4411107 | Grinding wheel for flat plates |
| 4410049 | Directional valve means for positioning machine units |
| 4408668 | Impact transfer device for power rams |
| 4408418 | Method of forming through-feed cylindrical thread rolling dies |
| 4407373 | Collapsible pedestal for drilling apparatus |
| 4406090 | Methods and apparatus for grinding spiral tool cutting edges havi... |
| 4406091 | Apparatus for grinding the edges of glass sheets |
| 4405020 | Automatic drive hammer system |
| 4403663 | Power-operated torque wrench |
| 4402370 | Valveless pneumatic hammer |
| 4401280 | Disc-type pulp refining apparatus |
| 4401168 | Impact applying mechanism |
| 4401167 | Vibratory tool with a vibration proof mechanism for the handle th... |
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