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 |
| 8096412 | Key remote control cover A key remote control cover for covering the remote control portion of a remote control key to prevent inadvertent pressing of remote control buttons while handling the key includes a rigid main body portion having an interior, a closed first end, and an open second ... | 01/17/2012 |
| 7232457 | Fluid warming cassette with a tensioning rod A fluid warming cassette for use in a fluid warming system includes a first sheet and second sheet joined with a flexed tensioning rod to form a fluid container with a periphery in which the flexed tensioning rod is disposed to tension the fluid container. The fluid... | 06/19/2007 |
| 6672118 | Apparatus and method for retaining keys According to the preferred embodiments of the present invention, an apparatus and method for retaining keys is disclosed. The present invention provides a tensioning mechanism within the body of the key-retaining apparatus for "pinching" the shaft of a ke... | 01/06/2004 |
| 6371286 | Device for holding a plurality of toothed blades of flanked keys that may be selected and pulled out one by one A device for holding a plurality of toothed blades of flanked keys that may be selected and pulled out one by one. Each key has a groove with a preferably triangular section along the whole length of the edge resting against the bottom of the device for s... | 04/16/2002 |
| 6273245 | Article holding assembly for a purse An article holding assembly for a purse for conveniently storing a plurality of keys within a purse or other bag with the keys positioned in an easily accessed area within the purse. The inventive device includes a support case having a pocket member, a c... | 08/14/2001 |
| 5621936 | Multi-purpose hand tool A utensil is adapted to be held by a user and manipulated by the user's hand to operate on a workpiece. One feature of the utensil enables the user to gain mechanical advantage when locking and unlocking key-operated locking mechanisms by displacing a key... | 04/22/1997 |
| 5259502 | Tool case This invention relates to a tool case and in particular to one including a base container having two adjacent corners each formed with a hole, a first intermediate container disposed on the base container and having a corner with a hole and an adjacent co... | 11/09/1993 |
| 5215190 | Multiple key container housing with selective key projection means An open sided elongated and rigid key case is provided for receiving a plurality of laterally spaced apart longitudinally extending keys therein with the base ends of the keys supported from the case for pivotal movement of the keys between stored positio... | 06/01/1993 |
| 5199560 | Key case with retractable keys A key case (10) consisting of a first cover (12) and a second cover (28) that enclose a first and a second sidemember (14,26) that have sandwiched between them a lower and an upper leaf spring (18,20). The springs control and maintain the retracted and ex... | 04/06/1993 |
| 5181605 | Key cover This relates to a key cover for covering the head of a key. In one embodiment, the key cover is formed in two pieces, a cover member and a plug. In a second embodiment, the cover member and plug are pivotally connected. The cover member is provided with a... | 01/26/1993 |
| 5083662 | Key cover This relates to a key cover for covering the head of a key. The key cover is formed in two pieces, a cover member and a plug. The cover member is provided with a cavity for receiving the key head with the blade of the key passing through a slot in the und... | 01/28/1992 |
| 4881636 | Floating separable key case A key case having first and second generally planar wall portions each including a layer of a flexible material that may have a density substantially less than that of water so that the case will float; key retainers on each of the wall portions affording... | 11/21/1989 |
| 4826002 | Key case A key case for a key integrally having a tab to be gripped and a shaft to be inserted in a keyhole. The key case comprises a container capable of detachably containing the tab of the key, and having an opening through which the shaft of the key projects o... | 05/02/1989 |
| 4646913 | Key pack A key holder is for keys with standardized heads of about the same width as standard key blades. The key holder includes a casing which has a flat base wall and a plurality of parallel, spaced-apart, elongated key compartment side walls extending integral... | 03/03/1987 |
