[Your name]
[your address]
[your phone #]
[date]
[contact person's name]
[name of your invention]
dear [contact name or manufacturer name].
My name is [name] and I am the inventor of the invention titled "[invention title]." I filed a utility (design) patent application for my invention on [filing date].
I selected your company because you manufacture [identify their products that are similar to your invention]. I believe the [invention title] will benefit your company in many different ways. [identify how your invention fits within the manufacturer's product line].
Briefly stated, my invention comprises [briefly identify major components]. The unique features of my invention are [unique feature(s)]. The advantages of the [invention title] are [state advantages].
Also, here is a link of my invention which fully displays the key components for your review: [your IdeaIntoProduct post-link].
I am willing to consider selling or licensing the patent rights to my invention. If you are potentially interested in the [invention title], please contact me anytime at [your e-mail] or leave your thoughts about it via comments on [your post-link].
I look forward to your response.
Sincerely,
your name