Exhibit 4 FORM OF REGISTRATION RIGHTS AGREEMENTS AGREEMENT, dated as of the date specified on the signature page hereto (the "Agreement") between the person(s) who is designated as the holder on the signature page hereto (the "Holder") and PortaCom...Agreement • April 29th, 1998 • Wills Wei Corp • Communications equipment, nec • California
Contract Type FiledApril 29th, 1998 Company Industry Jurisdiction
1 EXHIBIT 1 AGREEMENTAgreement • December 9th, 1997 • Cherrywood Holdings Inc • Radiotelephone communications • New York
Contract Type FiledDecember 9th, 1997 Company Industry Jurisdiction