"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 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 |