Epic Therapeutics Inc receives patent for new technology that may reduce number of injections needed for patients taking bioengineered medications; Dr Maurice Fox and Stanley Selman receive patent for Teflon sock that they say will end blisters and calluses that plague athletes; International Business Machines Corp received most American patents in 1996, for fourth consecutive year; it received total of 1,867 patents in 1996 (M)…

Epic Therapeutics Inc receives patent for new technology that may reduce number of injections needed for patients taking bioengineered medications; Dr Maurice Fox and Stanley Selman receive patent for Teflon sock that they say will end blisters and calluses that plague athletes; International Business Machines Corp received most American patents in 1996, for fourth consecutive year; it received total of 1,867 patents in 1996