Weck jar secured by steel tension clips which can be removed once a vacuum seal has formed. During storage the vertical position of the rubber seal's external tongue indicates the status of the sealing. Weck products are still produced and are available from German hardware and online stores. Used equipment is frequently sold on online auction sites and in opportunity shops. Weck jar A Weck jar is a molded glass jar used in canning to preserve food. It is popularly used for jam preservation, for its minimal look and foolproof rubber gasket with a glass lid. Weck jars were created by the
Mark S. Fowler 2000. From 2006-8, his compensation as director was close to $50,000 annually; in 2009 it fell to about $20,000. He served as a director of TalkAmerica, Inc., a publicly held company until the company was sold in December 2006. Mr. Fowler also served as chairman of AssureSat, Inc., a satellite services provider that he co-founded in 1997 until the company was dissolved in December 2004. Mark S. Fowler Mark S. Fowler (born October 6, 1941) served as Chairman of the Federal Communications Commission from May 18, 1981 to April 17, 1987. Appointed by Ronald Reagan, he led repeal of the