Abstract: Teethers are configured with a base, a biting structure that extends distally from the base, and one or more handles that extend proximally from the base. The base has a hollow interior with both a proximal opening and a distal opening. The biting structure is also hollow and includes a proximal opening such that the biting structure has a proximally-facing concave interior. As a result of this design, a baby may use the teether by either grasping the one or more handles or by inserting his or her fingers through the base and into the concave interior of the biting structure. With the baby's fingers inserted into the concave interior of the biting structure, the baby can satisfy the desire to insert his or her fingers into the mouth while also biting on the teether.

Abstract: A print cartridge installation region includes a funneling wall formed on a substrate of the print cartridge installation region to guide a print cartridge into a predetermined position within the print cartridge installation region. The funneling wall includes a curved edge positioned at an opening of a print cartridge loading lane partially defined by the funneling wall.

Abstract: A comic book case includes a base and a cover configured to compress and secure a comic book in place under frictional pressure such that the book cannot easily shift or slip within the case. Prior art cases that included walls surrounding the top, bottom and side edges of a book typically allowed some free movement or slippage of the book between the walls. This movement or slippage could result in damage such as curling or crinkling of the edges of the book if the case were exposed to a physical shock, such as by being dropped. The base includes a raised base platform and the cover includes a depressed cover platform, which extends towards the base platform to create a space within which the book is securely held.

Abstract: A hydraulic fracturing and gravel packing proppant composite with protectant on the surface of the proppant and the composition matters of the protectant and proppant. The surface protectant reduces the generation of dust/fines from the proppant caused by abrasion and impingement during transportation and conveyance, particularly pneumatic transfer.

Abstract: A hydraulic fracturing and gravel packing proppant composite with protectant on the surface of the proppant and the composition matters of the protectant and proppant. The surface protectant reduces the generation of dust/fines from the proppant caused by abrasion and impingement during transportation and conveyance, particularly pneumatic transfer.

Abstract: A comic book case includes a base and a cover configured to compress and secure a comic book in place under frictional pressure such that the book cannot easily shift or slip within the case. Prior art cases that included walls surrounding the top, bottom and side edges of a book typically allowed some free movement or slippage of the book between the walls. This movement or slippage could result in damage such as curling or crinkling of the edges of the book if the case were exposed to a physical shock, such as by being dropped. The base includes a raised base platform and the cover includes a depressed cover platform, which extends towards the base platform to create a space within which the book is securely held.

Abstract: A comic book case includes a base and a cover configured to compress and secure a comic book in place under frictional pressure such that the book cannot easily shift or slip within the case. Prior art cases that included walls surrounding the top, bottom and side edges of a book typically allowed some free movement or slippage of the book between the walls. This movement or slippage could result in damage such as curling or crinkling of the edges of the book if the case were exposed to a physical shock, such as by being dropped. The base includes a raised base platform and the cover includes a depressed cover platform, which extends towards the base platform to create a space within which the book is securely held.

Abstract: A hydraulic fracturing and gravel packing proppant composite with protectant on the surface of the proppant and the composition matters of the protectant and proppant. The surface protectant reduces the generation of dust/fines from the proppant caused by abrasion and impingement during transportation and conveyance, particularly pneumatic transfer.

Abstract: A hydraulic fracturing and gravel packing proppant composite with protectant on the surface of the proppant and the composition matters of the protectant and proppant. The surface protectant reduces the generation of dust/fines from the proppant caused by abrasion and impingement during transportation and conveyance, particularly pneumatic transfer.

Abstract: A hydraulic fracturing and gravel packing proppant composite with protectant on the surface of the proppant and the composition matters of the protectant and proppant. The surface protectant reduces the generation of dust/fines from the proppant caused by abrasion and impingement during transportation and conveyance, particularly pneumatic transfer.

Abstract: A hydraulic fracturing and gravel packing proppant composite with protectant on the surface of the proppant and the composition matters of the protectant and proppant. The surface protectant reduces the generation of dust/fines from the proppant caused by abrasion and impingement during transportation and conveyance, particularly pneumatic transfer.

Abstract: A hydraulic fracturing and gravel packing proppant composite with protectant on the surface of the proppant and the composition matters of the protectant and proppant. The surface protectant reduces the generation of dust/fines from the proppant caused by abrasion and impingement during transportation and conveyance, particularly pneumatic transfer.

Abstract: A hydraulic fracturing and gravel packing proppant composite with protectant on the surface of the proppant and the composition matters of the protectant and proppant. The surface protectant reduces the generation of dust/fines from the proppant caused by abrasion and impingement during transportation and conveyance, particularly pneumatic transfer.

Abstract: A method for scalably calculating statistics associated with action performances includes obtaining action performance data for one or more entities, where the action performance data comprises at least a number of times each of the one or more entities performed an action during one or more time segments, wherein the action satisfies a user specified criteria. The method also includes generating, based on the obtained action performance data, a data structure including one or more values that are organized according to a number of time segments that have elapsed between an action performance and a most recent previous action performance. Systems and machine-readable media are also provided.

Abstract: A media path control device has two sets of parallel arms with opposing rollers to manipulate the movement of print media. The arms are moveable in a substantially vertical plane through motors. The arms can be of different lengths to establish an optimal trajectory or height of the media to change the trajectory or travel path of the media. The rollers are reversible to change the trajectory or travel path of the media. Rotation of the arms may be stopped at various points along their travel arc to position the media at a desired or plane.

Abstract: An upper piggybacked unit of a tandem unit is provided with a hinge unit and at least one motion lock to prevent the upper unit from falling away from the lower unit when it is tandemly coupled to the lower unit and the lower unit is pivoted to a non-horizontal position. The motion lock may inhibit rotation and/or translation of the upper unit. The motion lock may also be self-actuating, such as a gravity dependent lock mechanism. A lock override mechanism may be provided to allow the lock to yield to excessive force without causing damage. The lock enable condition may be automatically reset after the override condition so that no special knowledge or action on the part of the user is required to return the hinge to normal operation.