Analysis of information sources in references of the Wikipedia article "DuMont Laboratories" in English language version.
DuMont set up a company in 1931 that later was known as Allen B. DuMont Laboratories, Inc.
Abandonment Notice! On Friday, June 5, 2020, status on the ALLEN B DUMONT LABORATORIES INC. trademark changed to CONTINUED USE NOT FILED WITHIN GRACE PERIOD, UN-REVIVABLE." "Status Update! On Friday, June 5, 2020, status on the ALLEN B DUMONT LABORATORIES INC. trademark changed to CONTINUED USE NOT FILED WITHIN GRACE PERIOD, UN-REVIVABLE.
