Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 5305812 | Programmable woodworking dovetail machine A bench mounted machine allows an operator to produce both mating components for woodworking through and half-blind dovetails in workpieces suitable for case construction and drawer construction with computer controlled programmable flexibility to determi... | 04/26/1994 |
| 4449986 | Machine for guiding numerically controlled supports for tools used in woodworking operation A machine for guiding numerically controlled supports for tools used for various woodworking operations, such as boring, milling and the like, for improving the relationship between the time for positioning the workpiece and for processing the workpiece i... | 05/22/1984 |
| 4381023 | Auxiliary torque back-up roll A power back-up roll for a rotary veneer lathe comprises a drive roller for applying a rotational force to the outer periphery of a log axially mounted on the veneer lathe, a controllable drive source for driving the roller and a servo-control system for ... | 04/26/1983 |
| 4294296 | Carpenter planer Herein disclosed is a carpenter planer in which a stock is cut during the reciprocative motion on a stock feeding table. The stock to be cut is reciprocated by a stock feeding unit above the stock feeding table, which is driven by a reversible motor. A de... | 10/13/1981 |
| 4249584 | Carpenter planer A carpenter planer in which a stock reciprocatingly moved on a stock feeder table by a stock feeding belt can be cut during both the forward movements and backward movements of the stock. On the stock feeder table, a knife stock is provided via rotary dis... | 02/10/1981 |
