"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 7377860 | Metal wood golf club head An improved golf club head is disclosed which comprises the positioning of secondary weights at such low, rearward and outward locations that it causes an alteration in the traditional look of the club head wherein each secondary weight has a portion of the weight t... | 05/27/2008 |
| 5936505 | Circuit breaker A circuit breaker has a body providing a lever pivotally mounted on the upper end thereof. Two terminals are disposed within the body, wherein the first terminal forms a bimetal thereon. The terminals are electrically connected with each other in a normal... | 08/10/1999 |
| 5933069 | Electrical breaker An electrical breaker includes a casing with a pushbutton pivotally connected to the top thereof, an alloy plate extending from one of two inside walls of the casing and connected to a first prong extending from the casing, a push member and an L-shaped m... | 08/03/1999 |
| 5892426 | Safety switch with security structure A titterboard type switch with security structure, wherein a relay unit is disposed between two terminal legs connected with power wires and an electrothermal conductor is connected between the relay unit and one of the terminal legs, whereby when powered... | 04/06/1999 |
| 4424422 | Thermostatically controlled electric diesel fuel heater A thermostatically controlled electric fuel heater for raising the temperature of diesel fuel flowing from a fuel tank to a fuel filter to prevent precipitation of wax crystals in the fuel filter and consequent filter clogging at low ambient temperatures ... | 01/03/1984 |
| 4144427 | Anti-rebound and contact kicker means for circuit breaker A single pole molded case circuit breaker having a spring powered trip free contact operating mechanism including an extendable toggle connected at one end to a releasable cradle and connected at the other end to a movable contact, a latch for holding the... | 03/13/1979 |
| 4008453 | Thermal change-over switch A thermal change-over switch has a switch arm movable between first and second contact positions with an intervening dead center position, a temperature responsive bimetal element is connected to the switch arm through a prestressed resilient element so a... | 02/15/1977 |