Patents Assigned to Thomassen U.S., Inc.
  • Solar collector
    Patent number: 4316452
    Abstract: Solar collector, using air as the flowing heated medium, including a glass enclosure, and using a thin metal diaphram in tightly-stressed condition as a heat absorbing agent.
    Type: Grant
    Filed: August 21, 1980
    Date of Patent: February 23, 1982
    Assignee: Thomassen U.S., Inc.
    Inventor: Philip Levine