Individual holder
MAJKRZAK DAVID S
US·4 granted patents·98 citations·filing 1981–2010
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0194US4391235AVehicle exhaust gas warm-up heater systemMAJKRZAK DAVID S·Filed 1981·Granted Jul 5, 1983·76 cites·11 claims
- 0283US8230954B2PTO driven hydraulic systemMAJKRZAK DAVID S·Filed 2010·Granted Jul 31, 2012·7 cites·18 claims
- 0380US7712232B2Concentric axis snow blower attachmentMAJKRZAK DAVID S·Filed 2005·Granted May 11, 2010·9 cites·22 claims
- 0472US7354067B2Compact caster wheel systemMAJKRZAK DAVID S·Filed 2005·Granted Apr 8, 2008·6 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when MAJKRZAK DAVID S files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →