Ask Patents Meta
to customize your list.
more stack exchange communities
Start here for a quick overview of the site
Detailed answers to any questions you might have
Discuss the workings and policies of this site
Here is what I see as an invalid patent. US6563040
I demonstrated a solar tracking mount I built at a Renewable Energy Fair, MREA Midwest Renewable Energy Association. in Custer. Wisconsin. Several thousand people saw it on or about June 21st 2001. A ...
Sep 22 '12 at 3:44
Duane C. Johnson
newest invalidation batteries questions feed
Search patents with Google
Hot Network Questions
Is the 's' or the 'c' silent on scent?
Did Eru trip Gollum?
Where can I legally download SAO light novel in English?
Determine return type of CompiledFunction expression
Typesetting hashtags with natural syntax
How can I run original command that aliased with same name?
Is it bad if all my kittens starve?
typedef, structure and type compatibiliy
How to plot a series using different colors depending on the y-value
There is no smallest infinity in calculus?
inheritance transfers from the world bank in uk
Can a plane fly without the Vertical Stabilizer?
Why did Windows add a pointer trail feature?
Our DM has a PC, how do we stop going to the PC for answers (because the DM knows everything)?
Can I improve my chess? Or am I too old?
Why is the origin in computer graphics coordinates start at the top left?
mathrm doesn't change back pdflatex (pre-install of texmaker)
What dietary practices are most helpful for reaching enlightenment?
Can I cancel out quotient function safely?
My employer wants me to write a guide for doing my job
How bad is it really to install Linux on one big partition?
Lipton's most influential results
Conceptual algebraic proof that Grassmannian is closed in Plucker embedding
Bought economy and was issued first class ticket?
more hot questions
Life / Arts
Culture / Recreation
TeX - LaTeX
Unix & Linux
Ask Different (Apple)
Geographic Information Systems
Science Fiction & Fantasy
Seasoned Advice (cooking)
Personal Finance & Money
English Language & Usage
Mi Yodeya (Judaism)
Cross Validated (stats)
Theoretical Computer Science
Meta Stack Exchange
Stack Overflow Careers
site design / logo © 2014 stack exchange inc; user contributions licensed under
cc by-sa 3.0