EXHIBIT 10.20 REGISTRATION RIGHTS AGREEMENT This REGISTRATION RIGHTS AGREEMENT (this "AGREEMENT"), dated October 21, 1999, by and between FOCAL, INC., a Delaware corporation (the "Company"), and GENZYME CORPORATION, a Massachusetts corporation (the...Registration Rights Agreement • March 30th, 2000 • Focal Inc • Surgical & medical instruments & apparatus • Massachusetts
EXHIBIT 10.19 STOCK PURCHASE AGREEMENT BY AND BETWEENStock Purchase Agreement • March 30th, 2000 • Focal Inc • Surgical & medical instruments & apparatus • Massachusetts
Exhibit 10.18 Confidential Materials omitted and filed separately with the Securities and Exchange Commission. Asterisks denote omissions. DISTRIBUTION AND MARKETING COLLABORATION AGREEMENTDistribution and Marketing Collaboration Agreement • March 30th, 2000 • Focal Inc • Surgical & medical instruments & apparatus • Massachusetts
