Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 5688102 | Tree moving and planting apparatus A hydraulic lift attachment is connected to the lift arms of a loading vehicle, and includes a base plate with a pair of brackets thereon for pivotal attachment to the lift arms of the loading vehicle. A first jaw member is rigidly connected to the base p... | 11/18/1997 |
| 5011363 | Extend and retract control for fork lifts A fork extension and retraction system for use with stockpickers automatically extends and retracts hydraulically extendable forks of a stockpicker when the load handler carrying the forks has moved to its extended position on the load side of the vehicle... | 04/30/1991 |
| 4636131 | Side shifter and narrow aisle attachment for a lift truck An attachment for lift trucks to enable the truck to work in narrow aisles and manipulate loads in front of and to both sides of the truck without turning the truck. A side shifter which includes a pair of parallel moving arms for supporting the load in w... | 01/13/1987 |
| 4527943 | Load handling method and apparatus Method and apparatus for storing and retrieving loads increases usable warehouse storage space by allowing a load having a given length and width to be stored and retrieved from a narrow aisle while requiring less wasted space between adjacent stored load... | 07/09/1985 |
| 4184570 | Wall-mounted fork lift A wall-mounted fork lift has a pair of support arms hingedly affixed to support members which move up and down along a pair of guide rails mounted on a vertical wall. The support arms are mounted for movement to a rest position in close proximity with the... | 01/22/1980 |
| 4164270 | Mast support construction for fork lift truck A bracket member which connects an axle shaft housing to the chassis of a fork lift truck and supports a tiltable mast, is formed with a circular recess into which fastening bolts and flanges of the axle shaft housing project for reducing the fork lift tr... | 08/14/1979 |
| 4155428 | Deflection constraint device for telescopic uprights A system for reducing the lateral bending moments and deflection in side loading telescopic uprights, such as for lift trucks. Hydraulic actuated restraint device is mounted between each adjacent pair of upright rails, as well as between the inner rails a... | 05/22/1979 |
