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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 5297455 | Saw blade clamping device for saw finishing machines A movable clamping jaw (14) cooperating with a stationary clamping jaw (12) is carried by a support member (20) which is guided for displacement at a bracket (26) by a flat guide means (30) to cause slightly arcuate movement, deviating only a little from ... | 03/29/1994 |
| 5107726 | Chain saw sharpener A chain saw sharpener including a base plate; a clamp affixed to the base plate for holding the bar of a chain saw in vertical orientation; a tubular guide member affixable on the base plate at a selected angle relative to the clamp and hence the chain sa... | 04/28/1992 |
| 4858392 | Device for clamping a saw blade to a saw working machine A flap (14) is mounted on a machine frame (10) for movement to and fro between an open position and a closure position. Opposite a first clamping jaw (22) supported on the machine frame (10) there is a second clamping jaw (24) supported on the flap (14) i... | 08/22/1989 |
| 4727777 | Vehicle-mounted support for sharpening chain saws A support for sharpening chain saws which can be mounted on the fender of a pick-up truck provides a convenient platform for sharpening the chain saw in the field or in the bush which can be readily swung out of the way when not in use. The support includ... | 03/01/1988 |
| 4357841 | Automatic grinding attachment for saw grinders Apparatus for converting a manually operated machine for grinding saw blades into automatic operation; including a first hydraulic cylinder for connection to the grinding wheel carriage assembly for reciprocation thereof, a second hydraulic cylinder for c... | 11/09/1982 |
| 4342450 | Band saw jig A jig for placement in a vise and receiving the beveled ends of a band saw blade preparatory to the joining of same as by silver soldering. The jig includes a shouldered upper edge which serves to align the blade end segments. A clamping member includes f... | 08/03/1982 |
