Patents at Play
Tuesday, April 3, 2012 - 04:00
What kinds of jobs will be required to develop these inventions?
How should you prepare to be an inventor like Dr. Lonnie Johnson?
|101||4,181,843||Variable resistance type sensor controlled switch|
|102||4,143,267||Digital distance measuring instrument|
|103||4,061,074||Ammunition feed mechanism|
|104||3,999,461||Modular lightweight squad automatic weapon system|
What does it take to gain a patent?