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.
Patent No.:
Date of Patent:
Oct. 20, 2015
Filed:
Feb. 26, 2008
Daniele C. Brotto, Baltimore, MD (US);
Nathan J. Cruise, Phoenix, MD (US);
Erik Ekstrom, Woodstock, MD (US);
Pradeep M. Pant, Cockeysville, MD (US);
David A. Carrier, Aberdeen, MD (US);
Shailesh P. Waikar, Parkville, MD (US);
Ren Wang, Timonium, MD (US);
William D. Spencer, Ellicott City, MD (US);
Rouse Roby Bailey, Jr., New Park, PA (US);
Andrew E. Seman, Jr., White Marsh, MD (US);
John E. Buck, Cockeysville, MD (US);
Seth M. Robinson, New Freedom, PA (US);
Daniele C. Brotto, Baltimore, MD (US);
Nathan J. Cruise, Phoenix, MD (US);
Erik Ekstrom, Woodstock, MD (US);
Pradeep M. Pant, Cockeysville, MD (US);
David A. Carrier, Aberdeen, MD (US);
Shailesh P. Waikar, Parkville, MD (US);
Ren Wang, Timonium, MD (US);
Mehdi T. Abolhassani, Timonium, MD (US);
William D. Spencer, Ellicott City, MD (US);
Rouse Roby Bailey, Jr., New Park, PA (US);
Andrew E. Seman, Jr., White Marsh, MD (US);
John E. Buck, Cockeysville, MD (US);
Seth M. Robinson, New Freedom, PA (US);
Black & Decker Inc., Newark, DE (US);
Abstract
A portable power supply includes a housing, and power circuitry providing an output AC waveform having a first positive voltage step level, a second higher positive voltage step level, a third lower positive voltage step level, a fourth negative voltage step level, a fifth higher negative voltage step level, and a sixth lower negative voltage step level.