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Six-year-old Robert W. Patch granted a patent for a "toy truck".
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| Number | Title | Issue Date |
| 4888966 | Throughfeed sammying press Skins, hides and similar flexible objects are sammied during travel through two successive nips the first of which is defined by an upper pressure roll and a first lower pressure roll and the second of which is defined by the upper pressure roll and a sec... | 12/26/1989 |
| 4770010 | Procedure for removing the layer of hairy elements from a complete animal skin The present invention is drawn to a method of removing hair from an animal pelt in which liquified gas is applied to the fleshy side of the pelt to freeze the pelt to a temperature at which hair pores of the skin open. The application of the liquid gas to... | 09/13/1988 |
| 4542634 | Staking machine In a staking machine for staking leather, skins or furs a rotatable work roll carrying staking blades or grindstones is arranged against a flexible pressing device with an adjustable gap. A workpiece is pulled through the gap by a rotary feed roll and a r... | 09/24/1985 |
| 4507943 | Drying press for hides A drying press for hides, comprising two endless drying felts (1; 4) passed over rolls (2, 3; 5, 6), said felts being pressed against each other at press rolls (2, 5) to form a drying press gap for hides which are passed therethrough, as well as hide stre... | 04/02/1985 |
| 4111013 | Method of and machine for removing oil from animal hides A method and machine for removing naturally occurring oil from animal hides, especially pig skins, which comprises passing the hides in the condition they are in at the conclusion of the conventional curing operation, with the hair side facing downward, b... | 09/05/1978 |
| 4100773 | Drying press for hides A press comprises two cooperating endless belts each trained over a support and tensioning roller. The end supports of the support roller for the lower belt rest on a hydraulically actuated piston which enables this support roller to be displaced towards ... | 07/18/1978 |
| 4065943 | Rotary ironing machine In a rotary ironing machine for applying treatments such as ironing, embossing and the like to sheet materials such as leather, cardboard and the like, the cylindrical ironing surface is provided on a thin-walled hollow cylinder, the sheet material is fed... | 01/03/1978 |
| 4055059 | Methods and apparatus for dewatering leather A method of, and apparatus for, dewatering leather wherein there is provided at least a first dewatering-pressure zone and to both sides and neighboring such first dewatering-pressure zone two further dewatering-pressure zones producing a lower pressure t... | 10/25/1977 |
