Membership
Tour
Register
Log in
Harold J. Evans
Follow
Person
Perkins, OK, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Electric heating element for fusing thermoplastic materials
Patent number
4,894,521
Issue date
Jan 16, 1990
Central Plastics Company
Harold J. Evans
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic pile protector and method of covering a pile with same
Patent number
4,713,129
Issue date
Dec 15, 1987
Central Plastics Company
James A. Inhofe
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic pile protector and method of covering a pile with same
Patent number
4,708,527
Issue date
Nov 24, 1987
Central Plastics Company
James A. Inhofe
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic pipe scraper
Patent number
4,663,794
Issue date
May 12, 1987
Central Plastics Company
Harold J. Evans
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR