David Roberts

City:

Andover, Minnesota

Country:

United States

Published Applications:

Last publication date:

2009-12-31

Patent Grants:

Last grant date:

2013-03-12

Top Inventors for applications by David Roberts

These are the the leading inventors for applications assigned to David Roberts:

David Roberts 1 Andover, MN United States

Recent patent applications by David Roberts

David Roberts based in Andover, US has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2009-12-31 ✅ Patent 8,393,823 granted on 2013-03-12

US20090324328A1

Fixed constructions

Manhole cover security and removal

Also check out David Roberts' (Andover, United States) applicant profile with 1 patent applications submitted.

AssigneeID:

462842 ⎘