1
Dennis J Iannazo, James W Lacy, Cheryl J White: Football interactive simulation trainer. Dennis J Lannazzo, James W Lacy, James E Bradley, March 16, 1999: US05882204 (72 worldwide citation)

A football interactive simulation trainer for quarterbacks and kickers provides true perspective views of a simulated playing area during practice plays, as would be seen by a training player on a regulation size football field during an actual play. The trainer includes a sonic tracking system whic ...


2
James W Lacy: Internal combustion engine. William M Hobby III, June 18, 1985: US04523549 (7 worldwide citation)

An internal combustion engine is disclosed with a pair of opposed pistons disposed inside a cylinder bore in a block. The pistons are coupled to a shaft by means of a wobbler mechanism which converts the reciprocatory movement of the pistons to rotary movement of the shaft. The shaft is provided wit ...


3
James W Lacy: Internal combustion engine. Owen Wickersham & Erickson, January 22, 1991: US04986226 (4 worldwide citation)

An internal combustion engine comprising an engine block including a plurality of parallel, spaced apart cylinder modules, each module having a cylinder bore and a pair of pistons in each bore which are simultaneously movable in opposite directions and a rotatable shaft parallel to the cylinder modu ...


4
James W Lacy: Engine exhaust system. Dennis W Beech, February 22, 2011: US07891326

The engine exhaust system may allow scavenging of two-stroke engines using a retro-tube attached to an exhaust port of a two-stroke engine. Intake air may be obtained directly from environmental air at atmospheric pressure allowed by engine cycle operation and an approximately constant diameter retr ...


5
James W Lacy: Engine exhaust system. Boniard I Brown 113, July 29, 2004: US20040144081-A1

A two-stroke engine has a plenum chamber communicating with a retro-tube and exhaust port, an air tube communicating with the plenum chamber, an exhaust tube communicating with the retro-tube, combined flow produced by exhaust inertia urging the exhaust to the end of the retro-tube, and at the botto ...