...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 5898356 | Thermally-activated switch for short-circuiting a battery cell A thermally activated short-circuit switch for connection in parallel with a battery cell has first and second contact elements (6; 3) which are distinct from the electrodes of a diode, and thermally activatable means (45) for short-circuiting the first a... | 04/27/1999 |
| 4339741 | Thermally actuated time delay switch A thermally actuated switch which embodies an active unit which includes a heat responsive element which is part of an enclosure enclosing electrical resistance elements for heating. Heat is applied internally to the enclosure and cooling is by way of dis... | 07/13/1982 |
| 4095208 | Intermittently operable electrical switch assembly An intermittently operable switch assembly comprises an electrically insulating base having mounted on one surface thereof a first electrical terminal for connection to a power supply, a second electrical terminal for connection to an apparatus to be oper... | 06/13/1978 |