Membership
Tour
Register
Log in
John D. Birdsall
Follow
Person
Los Angeles, CA, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Pencil sharpener
Patent number
3,980,113
Issue date
Sep 14, 1976
Hasbro Development Corporation
John D. Birdsall
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES