LexDanaLexDanabeta
Inventor

Harold B. Weitzel

Inventor
Strongsville, OH, US

Overview

3→
Patents
1984–1986
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H05Bprimary
H05BElectric heating75%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
4,617,449'Heating device for utilizing the skin effect of alternating current'19864,532,375'Heating device for utilizing the skin effect of alternating current'19854,436,565'Method of making a heating device for utilizing the skin effect of alternating current'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1986Patents assigned to RICWIL INC (3)· patent assignee history
1984–1986Based in Strongsville, OH, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RICWIL INC31984–1986
Locations
LocationPatentsSpan
Strongsville, OH, US31984–1986