John A. Helmsderfer

City:

Cincinnati, Ohio

Country:

United States

Published Applications:

Last publication date:

2005-06-30

Patent Grants:

Last grant date:

2007-08-28

Top Inventors for applications by John A. Helmsderfer

These are the the leading inventors for applications assigned to John A. Helmsderfer:

John A. Helmsderfer 1 Cincinnati, OH United States

Recent patent applications by John A. Helmsderfer

John A. Helmsderfer based in Cincinnati, US has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2005-06-30 ✅ Patent 7,260,859 granted on 2007-08-28

US20050138735A1

Human necessities

Baby diaper changing station

Also check out John A. Helmsderfer's (Cincinnati, United States) applicant profile with 2 patent applications submitted.

AssigneeID:

398542 ⎘