Irwin Clemens Cone
Engineers at Weaver Pl, Littleton, CO

License number
Colorado 6374
Issued Date
Jun 20, 1965
Renew Date
Aug 28, 1992
Expiration Date
Aug 28, 1992
Type
Professional Engineer
Address
Address
3104 E Weaver Pl, Littleton, CO 80121
LicenseFiles verified this license of Dec 9, 2016 at the Colorado - Department of Regulatory Agencies.

Professional information

Irwin Cone Photo 1

Rechargeable Flashlight

US Patent:
4244011, Jan 6, 1981
Filed:
Aug 27, 1979
Appl. No.:
6/069952
Inventors:
Ronald O. Hammel - Englewood CO
William J. Barcus - Englewood CO
Irwin C. Cone - Littleton CO
Assignee:
The Gates Rubber Company - Denver CO
International Classification:
F21L 900, F21L 700
US Classification:
362183
Abstract:
A rechargeable flashlight is disclosed having the charging unit self-contained in the flashlight housing. A rechargeable cell or cells has its opposite end surfaces making respective abutting contact with adjacent partition members extending transversely and integrally attached to the housing of the flashlight, providing immobilization of the cell(s). A standard two-cell flashlight is retrofitted to house a single rechargeable cell and self-contained tethered charger.

Engineers licenses in Colorado