http://www.protechhvac.com/lessons-in-invention-development-the-naive-years/ Simple to Sophisticated. Thu, 11 Feb 2010 21:39:53 -0500 http://wordpress.org/?v=2.8.6 hourly 1 http://www.protechhvac.com/lessons-in-invention-development-the-naive-years/comment-page-1/#comment-33 Allen Rinehart Mon, 05 May 2008 18:43:23 +0000 http://www.protechhvac.com/lessons-in-invention-development-the-naive-years/#comment-33 What a great story John. If there are any other inventors out there like this, you may benefit from posting your patented invention idea on our site to help you find others, such as patent lawyers or investors, who are interested in moving your invention forward. Check it out: http://www.inventbay.com What a great story John. If there are any other inventors out there like this, you may benefit from posting your patented invention idea on our site to help you find others, such as patent lawyers or investors, who are interested in moving your invention forward. Check it out: http://www.inventbay.com

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