No. 3,846,165   "Method of Applying Anti-reflective Coating on a Semiconductor Lasers" (S.L. Gilbert & M. Ettenberg)

No. 3,862,859   "Method of Making a Semiconductor Device" (M. Ettenberg & S.L. Gilbert)

No. 4,062,318   "Apparatus for Chemical Vapor Deposition" (V.S. Ban & S.L. Gilbert)