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
tag has no wiki summary.
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 batteries questions feed
Search patents with Google
Hot Network Questions
Should I say "She is in the park or She is at the park"?
How to change a set of characters between delimiters for exact line?
Motivations for interstellar colonizations
How to center chapter, section an subsection using memoir?
Could Earth have had a greater axial tilt?
Is Jupiter sized planet plausible in habitable zone?
Sieve of Sundaram for Project Euler 7: Python implementation slower than C++ and R
How to show distributivity in a ring, and what is wrong with my algebra?
Can a lock picker slowly undermine the security of a deadbolt door?
How could Saruman lose the battle of Helm's Deep?
Why can a voltmeter still measure potential difference if it has a (theoretically) infinite resistance
Printing the contents of a string array using pointers
"Buy me a coffee" as in-app purchase?
Why is "like" as in Facebook likes often put between quotes?
Look-and-say: Conway revisited
Instructive examples of elegant, clear, rigorous, terse, but "non-dull" mathematical prose
Inclusion-preserving bijection between subsets of cardinality k and n-k
What are expl3 equivalents for various macros useful to debugging and a building private packages
Simple twisting riddle
How do I use Features to export a custom content type to a stand-alone module
Resistance movement in a world controlled by extensive use of nanobots
Declining a job offer and added to blacklist
How to DM mind control effects without angering my friends?
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