Inventor · disambiguated record
Mack S. Johnston
Also filed as: JOHNSTON MACK S
3 granted patents·82 citations·filing 1975–1986
73Inventor score
Files withJOHNSTON MACK S3
Top patents by PatentIndex Score
3 records- 0176US4728010AKeg tapperJOHNSTON MACK S·Filed 1986·Granted Mar 1, 1988·61 cites·3 claims
- 0241US4005813ASingle-opening beer keg and method of producing from conventional kegJOHNSTON MACK S·Filed 1975·Granted Feb 1, 1977·12 cites·4 claims
- 0336US4162574AHair clipperJOHNSTON MACK S·Filed 1978·Granted Jul 31, 1979·9 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Mack S. Johnston 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 →