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"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 |
| 7156052 | Apparatus for applying chemicals to rodents An enclosure is provided having openings for allowing entry of rodents into the enclosure. There is arranged one or more applicators in the form of a suspended flexible web configured to contact rodents entering the chamber and having a chemical on the web for appli... | 01/02/2007 |
| 4044548 | Time indicating apparatus and transmission mechanism therefor A time clock is provided which includes a minute wheel that is advanced every minute and an hour wheel that must be advanced every hour, wherein a deflecting pawl device is utilized, in place of gears, to connect the wheels. Both wheels have ratchet teeth... | 08/30/1977 |
| 4041503 | Attendance time recorder The present invention relates to an attendance time recorder having a printing device for printing times on a data medium such as a time card. The arrangement includes a printing head adapted to support printing types and a plurality of adjacently dispose... | 08/09/1977 |
| 3983568 | Time recorder having wheel alignment means A time recorder for recording elapsed time, including a time stamp with means for bringing the closer character of the least increment wheel into alignment with the characters on the other wheels.... | 09/28/1976 |
| 3975743 | Time registration device for the recordation of presence or work time An improved time-registration device for recording date and work times on lines of a registration card including a day-program wheel of at least 31 sectors, of which the 29th to 31st sectors contain cams of varying height, and a month-program wheel with a... | 08/17/1976 |
