Inventor · disambiguated record

Fred Ehnow

Also filed as: EHNOW FRED · EHNOW FRED P

3 granted patents·409 citations·filing 1993–1994

79Inventor score

Technology areasA61K

Files withALZA CORP3

Top patents by PatentIndex Score

3 records

0194US5540912AViscous suspensions of controlled-release drug particlesALZA CORP·Filed 1993·Granted Jul 30, 1996·228 cites·13 claims
0285US5543156ABioerodible devices and compositions for diffusional release of agentsALZA CORP·Filed 1994·Granted Aug 6, 1996·121 cites·29 claims
0379US5571525AErosion rate modifier for use in bioerodible drug delivery devices and method of useALZA CORP·Filed 1993·Granted Nov 5, 1996·60 cites·10 claims

Join the waitlist — get patent alerts

Get an alert when Fred Ehnow files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →