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Inventor: Mitchell; Ernst Kern
Address: Sterling Heights, MI
No. of patents: 7
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| D512899 |
Lock |
December 20, 2005 |
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| D502182 |
Electronic key card encoder |
February 22, 2005 |
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| D486054 |
Integral non-metallic electronic key |
February 3, 2004 |
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| D479032 |
Thumb print identification safe door handle |
August 26, 2003 |
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| 7374084 |
Electronic lock with visual interface |
May 20, 2008 |
| An electronic key card lock has a card reader having both card reading electronics and a visual interface integrated into a single unit. Portions of the card reader are made from a light transmitting material that act as both a physical guide for the card and a lens that can distribu |
| 7303215 |
Mortise locking device |
December 4, 2007 |
| A lock assembly includes a single switch actuated by a cam for monitoring the position of a main bolt and an auxiliary bolt. The main bolt and the auxiliary bolt engage and move the cam between an actuated position and a released position. In the actuated position the cam actuates a swit |
| 7017811 |
Electronic card encoder |
March 28, 2006 |
| A key card encoder incorporates a plunger that is pushed downward as the card is manually inserted into a slot in the encoder and a potentiometer whose value changes based on the plunger position to indicate the card's position at all times. As the card is inserted into the slot, a head |
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