Inventor · disambiguated record
Donald M. Johnson
Also filed as: JOHNSON DONALD · JOHNSON DONALD M · JOHNSON JR DONALD MARTIN
4 granted patents·1 pending application·146 citations·filing 1978–2014
79Inventor score
Files withKAMAN MUSIC CORP2CORNING GLASS WORKS1JOHNSON JR DONALD MARTIN1TOSHIBA GLOBAL COMMERCE SOLUTIONS HOLDINGS CORP1
Top patents by PatentIndex Score
5 records- 0191US6294718B1Stringed musical instrument top memberKAMAN MUSIC CORP·Filed 2000·Granted Sep 25, 2001·31 cites·28 claims
- 0284US6372970B1Stringed musical instrument body and neck assemblyKAMAN MUSIC CORP·Filed 2000·Granted Apr 16, 2002·24 cites·33 claims
- 0378US4219025AElectrically heated surgical cutting instrumentCORNING GLASS WORKS·Filed 1978·Granted Aug 26, 1980·89 cites·10 claims
- 0470US8988805B1Method for clipping hard drives while preserving full actuator arm movementTOSHIBA GLOBAL COMMERCE SOLUTIONS HOLDINGS CORP·Filed 2014·Granted Mar 24, 2015·2 cites·20 claims
- 0539US2012210897A1Plug-n-light musical firework apparatusJOHNSON JR DONALD MARTIN·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Donald M. Johnson 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 →