Patented
121History of the bicycle — Vehicles for human transport that have two wheels and require balancing by the rider date back to the early 19th century. The first means of transport making use of two wheels, and thus the archetype of the bicycle, was the German draisine dating …
122Matchbook — Book of matches redirects here. For the book, see Book of Matches. Matchbook (open) …
123Mesa Boogie — The Mesa Boogie logo Mesa/Boogie (also known as Mesa Engineering) is a company in Petaluma, California that makes amplifiers for guitars and basses. It has been in operation since 1969. Mesa was started by Randall Smith as a small repair shop… …
124Crutch — For other uses, see Crutch (disambiguation). Using underarm crutches A typical forearm crutch Crutches are mobility aids used to counter a mobility impairment or an injury that limits wa …
125Cortland (apple) — Cortland Details Hybrid parentage McIntosh × Ben Davis …
126The Landlord's Game — is a board game patented in 1904 by Elizabeth Magie. It is a realty and taxation game, similar to Monopoly. Though many similar home made games were played at the beginning of the 20th century and some predate The Landlord s Game, it is the first …
127DoYouDo — DoYouDo, Inc. is a Beverly Hills, California company that owns the patent to an anonymous matching service designed to detect mutual attraction between friends or acquaintances based on confidential lists they create of people they are interested …
128Economics and patents — Patents are legal instruments intended to encourage innovation by providing a limited monopoly to the inventor (or their assignee) in return for the publication of the details of the invention protected by the patent. Innovation is encouraged… …
