Firearms – Implements – Sight devices
Reexamination Certificate
2006-11-01
2010-02-02
Hayes, Bret (Department: 3641)
Firearms
Implements
Sight devices
C042S114000, C042S122000, C042S130000, C042S142000, C359S399000, C356S004010, C356S011000, C356S141100
Reexamination Certificate
active
07654029
ABSTRACT:
A method for shooting a projectile weapon involves determining the inclination of a line of sight from a vantage point to a target and a line-of-sight range to the target, then predicting a trajectory parameter at the line-of-sight range, for a preselected projectile. Using the trajectory parameter, an equivalent horizontal range may then be determined, wherein the equivalent horizontal range is the range at which the trajectory parameter would be expected to occur if the projectile were shot from the vantage point toward a theoretical target located in a horizontal plane intersecting the vantage point. The equivalent horizontal range may be utilized to compensate for ballistic drop when shooting the projectile weapon. The method may be embodied in a handheld laser rangefinder including a memory for storing ballistic data. Systems for automatic hold over adjustment in a weapon aiming device are also disclosed.
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Lesser Tim
Peters Victoria J.
Regan Rick R.
York Andrew W.
David Michael D
Hayes Bret
Leupold & Stevens, Inc.
Stoel Rives LLP
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