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 |
| 4487517 | Printer adapted to perform margin/tabulator setting function There is disclosed a printing apparatus having control equipment for controlling the printing position. The control equipment is detachably mounted on the printing apparatus.... | 12/11/1984 |
| 4395150 | Typewriter decimal tab mechanism A decimal tab mechanism for a typewriter of the type having a printing element carried by a carriage comprises a tab bar 1 capable of being displaced longitudinally and comprising a series of tab blades 2 which may be separately selected. A stop 19 of bar... | 07/26/1983 |
| 4348123 | Tabulation rack with spring pin holding A tabulation rack having simple and inexpensive construction. The rack has a set of straight-sided pins (5 or 50) which act as stops. They are held by an elongated main beam (3 or 54) in opposed slots. In one embodiment a pair of coil springs (7) are defo... | 09/07/1982 |
| 4348124 | Tabulation rack with spring pin holding A tabulation rack having simple and inexpensive construction. The rack has a set of straight-sided pins (5 or 50) which act as stops. They are held by an elongated main beam (3 or 54) in opposed slots. In one embodiment a pair of coil springs (7) are defo... | 09/07/1982 |
| 4248542 | Tab stop assembly A tab stop assembly characterized by an integrally molded part comprising a slotted body or rack part joined to individual tab stops and including integrally formed spring elements to maintain the tab stops in position within the slots of the body after a... | 02/03/1981 |
| 4134694 | Dual pitch tabular stop assembly A tabular stop assembly having two sets of uniformly spaced tab stops for use with a typewriter with a dual pitch escapement wherein individual stops of each set are formed on each of an array of uniformly spaced C-shaped tabs which are mounted for rotati... | 01/16/1979 |
| 4031994 | Double tab rack for a typewriter A tab rack bar and tab stops are disclosed which provide for the ability to set a first set of tab stops on one side of the tab rack by displacing the tab stops into the path of the tabulator mechanism and then by rotating the tab rack set a second set of... | 06/28/1977 |
| 3949854 | Typewriter carriage construction A compact lightweight typewriter carriage having a rail supporting an escapement rack, tab rack and margin rack located relative to carriage supported control elements as to minimize twisting moments relative to its frame support incident to actuation and... | 04/13/1976 |
