add expired patent
authorLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Wed, 18 Apr 2018 02:27:02 +0000 (03:27 +0100)
committerLuke Kenneth Casson Leighton <lkcl@lkcl.net>
Wed, 18 Apr 2018 05:00:01 +0000 (06:00 +0100)
commit54878b3c98f187d978adfcf1b96cae0b1485b255
tree9d66df525edd9210145e93ebcc3676a8545e8030
parenta537f8e87eaf740e6eadb4517e1f93c8112bb3cb
add expired patent
simple_v_extension.mdwn