Robert E. Irelan
Engineering at Chalk Rock Cv, Austin, TX
License number
Louisiana PE.0016604
Issued Date
Sep 28, 1977
Expiration Date
Sep 30, 2005
Category
Civil Engineer
Type
Petroleum Engineer
Address
Address
1920 Chalk Rock Cv, Austin, TX 78735
Professional information
Mechanical Pencil
US Patent:
7645083, Jan 12, 2010
Filed:
Dec 21, 2005
Appl. No.:
11/314783
Inventors:
James M. Burry - Troutman NC, US
Daniel R. Seymour - Mooresville NC, US
Robert E. Irelan - Austin TX, US
Dean A. Snyder - Austin TX, US
Daniel R. Seymour - Mooresville NC, US
Robert E. Irelan - Austin TX, US
Dean A. Snyder - Austin TX, US
Assignee:
BISS Product Development LLC - Mooresville NC
International Classification:
B43K 21/22
US Classification:
401 93, 401 94, 401 92, 401 55
Abstract:
The instant invention is a mechanical pencil. The pencil includes a body having a cavity and a lead holding mechanism located in the cavity. The lead holding mechanism includes a pair of arms joined together by a bridge. Each arm terminates with a pair of fingers. The fingers close together when the lead holding mechanism is recessed into the cavity. The fingers open when the lead holding mechanism is advanced out of the cavity.