Asyst Technologies Inc has registered with the US Securities & Exchange Commission to offer 1m new shares. The Milpitas supplier of mini-environments to the semiconductor industry wants the $22m or so net proceeds mainly for working capital. Underwriters are Needham & Co and Adams, Harkness & Hill. – o – Teletouch Communications Inc raised about $6.5m with an offer of 2m units, each consisting of one common share and one Class A warrant. The Tyler, Texas paging services provider has also received a $19m five year term loan from Greyhound Financial Inc. It has already used part of the proceeds to acquire the paging businesses of Beepers Plus and Waco Communications. The balance will go to repay debt and for working capital. Lead underwriters were Dickinson & Co and Berkeley Securities Corp.