Membership
Tour
Register
Log in
Billy J. Doolittle
Follow
Person
Springfield, MO, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Loose leaf binder
Patent number
4,011,018
Issue date
Mar 8, 1977
Royal Business Machines, Inc.
Billy J. Doolittle
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER