3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6997005 | Efficient cooling system An efficient refrigeration system for mounting on the wall of a food storage structure, includes cooling coils and heat exchange vanes, and a lower inlet and an upper outlet. A centrifugal fan and motor are removably mounted as a sub-unit on mating tracks, on the su... | 02/14/2006 |
| 6979259 | Air conditioner The air conditioning case (11) includes: a right and a left case body (112, 111) made of resin; and a partitioning plate (113) made of metal, and the partitioning plate (113) is a partitioning portion for partitioning the face blowout ope... | 12/27/2005 |
| 6857953 | Return air apparatus with down draft diverter A return air apparatus is provided with a ceiling template, which is mounted to an air comfort appliance unit at the ceiling of a recreational vehicle, a down draft diverter, a return air cover, and a return air grille. The ceiling template has a discharge opening a... | 02/22/2005 |
| 6491578 | Vehicle air conditioner having air suction port for each seat In a vehicle air conditioner, each of cool air outlets is provided at an upper side of each seat at second and third seat lines from a most front seat so that cool air from an air conditioning unit is blown from the cool air outlets toward upper sides of ... | 12/10/2002 |
| 5531641 | Recreational vehicle air conditioner ceiling grille with register An air conditioning system for a recreational vehicle is provided having a rooftop mounted air conditioning unit with an outlet for conditioned air and an inlet for return air and an air distribution system. The air distribution system includes ducts moun... | 07/02/1996 |
| 4935599 | Air-conditioning device, especially for railroad cars The air-conditioning device, in particular for a railroad car (2), includes a fan (1) for blowing cold or heated air into a conduit (4), the upper portion of which opens into a space (7) delimited by two parallel walls (8, 9) which are adjacent to the lat... | 06/19/1990 |
| 4630530 | Filtering systems for buses A filtering unit for a bus, the unit comprising one outer housing of a size to fit between the row of seats in the bus and a forwardly facing wall of a bus lavatory behind the seats, the housing having air inlet and air outlet openings for communication w... | 12/23/1986 |
| 4377935 | Produce cooler A produce cooler for cooling produce placed on the floor in an enclosure and wherein the enclosure includes a cooling compartment for cooling air passing therethrough. The floor is formed of sections spaced apart to form slots therebetween through which c... | 03/29/1983 |