Radio Shack PRO-63 owner manual Patent NOS

20-561.fm Page 55 Wednesday, August 4, 1999 3:48 PM

NOTES

U.S. PATENT NOS.

3,794,925

3,801,914

3,961,261

3,962,644

4,027,251

4,092,594

4,123,715

4,245,348

55