It was a forerunner to a pin tumbler type of lock and a common egyptian lock for the time.
Student invents door lock.
Are smart door locks really safe.
With the rise in school shootings one student in wisconsin says he has created a device that can help keep students safe during an active shooter situation.
Kwqc s tiffany liou reports.
Classroom door lockdown device.
Teacherlock is fast effective and affordable.
Justin rivard a student at somerset high school in wisconsin created the justinkase.
Student s invention protects his school i call this the justinkase justin says of his invention.
The robotics club at benjamin banneker designed an emergency door lock prototype called deadstop developed to be affordable detachable and easy to lock on to the door in the case of an active.
Students show off inventions at white house science fair duration.
Justin rivard a senior in high school said he came up with the idea.
Tom jelneck on fox 35.
Wisconsin teen invents device to protect students during a shooting fox news fox news.
Whdh a high school student in wisconsin invented a door lock device that could save lives during a school shooting.
You don t want to use it but just in case you need it it ll be there.
A wi student invents a door protection tool duration.
This lock worked using a large wooden bolt to secure a door which had a slot with several holes in its upper surface.
An iowa teacher invents a school door lock which is designed to be installed in seconds to keep dangerous intruders out of classrooms.
Teacherlock is the 1 rated classroom door lockdown device and the first defense against active shooters.