The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 15, 2000

Filed:

Aug. 17, 1998
Applicant:
Inventors:

Michael Hollis, Abingdon, MD (US);

John Condon, Timonium, MD (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F41B / ;
U.S. Cl.
CPC ...
124 78 ;
Abstract

A disk-shaped projectile can be launched in a variety of orientations incing face-on and edge-on orientations. The launcher includes two spinning disks for receiving the projectile between them and imparting a force to the projectile. The angle between the axes of the disks can be set to zero or a non-zero value. The angle and the spin rates of the disks control the linear velocity and the spin rate of the projectile.


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