IP Library › Patent Application 60964468
Patent Application Provisional Small
App. No. 60/964,468 · Confirmation No. 2549

Variable pulse-width modulation with zero d.c. average in each period

Inventor: Lester F. Ludwig
Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2011-10-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-09-27 PA.. Power of Attorney 1 View
2011-09-27 LET. Miscellaneous Incoming Letter 1 View
2011-09-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-09-27 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2007-08-28 APP.FILE.REC Filing Receipt 3 View
2007-08-11 TRNA Transmittal of New Application 2 View
2007-08-11 DRW Drawings-only black and white line drawings 23 View
2007-08-11 SPEC Specification 37 View
2007-08-11 WFEE Fee Worksheet (SB06) 1 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
App. No.
60/964,468
Filed
2007-08-11