Inventor

Joseph Martin Lech

Inventor

Westford, MA, US

Overview

1976–1980

Patent span

Electricity

Primary field (CPC H)

Patents· 9 as inventor

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

H01Jprimary

H01JElectric discharge tubes or discharge lamps80%

H01PWaveguides10%

H05BElectric heating10%

PatentTitleYear

4,240,051'High frequency power combiner or power divider'1980 4,178,534'Methods of and apparatus for electrodeless discharge excitation'1979 4,041,352'Automatic starting system for solid state powered electrodeless lamps'1977 4,002,944'Internal match starter for termination fixture lamps'1977 4,001,631'Adjustable length center conductor for termination fixtures for electrodeless lamps'1977 3,943,404'Helical coupler for use in an electrodeless light source'1976 3,943,402'Termination fixture for an electrodeless lamp'1976 3,943,403'Electrodeless light source utilizing a lamp termination fixture having parallel capacitive impedance matching capability'1976 3,942,068'Electrodeless light source with a termination fixture having an improved center conductor for arc shaping capability'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1980Patents assigned to GTE LABORATORIES INC (9)· patent assignee history

1976–1980Based in Westford, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GTE LABORATORIES INC	9	1976–1980

Locations

Location	Patents	Span
Westford, Massachusetts, US	9	1976–1980