Inventor · disambiguated record
Howard D. Hadler
Also filed as: HADLER HOWARD · HADLER HOWARD D
9 granted patents·441 citations·filing 1975–2002
92Inventor score
Top patents by PatentIndex Score
9 records- 0197US5829174AArticulated snowplow systemSNO WAY INT INC·Filed 1995·Granted Nov 3, 1998·90 cites·28 claims
- 0294US6702208B1Hopper spreader apparatus for dry, free flow materialsSNO WAY INT INC·Filed 2002·Granted Mar 9, 2004·57 cites·27 claims
- 0394US6044579AArticulated snowplow systemSNO WAY INT INC·Filed 1998·Granted Apr 4, 2000·69 cites·28 claims
- 0492US6154986AArticulated snowplow systemSNO WAY INTERNAT·Filed 2000·Granted Dec 5, 2000·53 cites·16 claims
- 0590US5894688APower assisted snowplow support standSNO WAY INT INC·Filed 1996·Granted Apr 20, 1999·66 cites·13 claims
- 0678US4415043AToolbar with wings foldable substantially 180 degreesCHROMALLOY AMERICAN CORP·Filed 1981·Granted Nov 15, 1983·33 cites·12 claims
- 0776US5832637AMethod of operating a snowplowFiled 1996·Granted Nov 10, 1998·41 cites·20 claims
- 0865US5987785AReactive controlled mechanism for a snow-plowSNO WAY INT INC·Filed 1998·Granted Nov 23, 1999·23 cites·23 claims
- 0948US4000805ASafety stop for portable augers and like elevating machineryCHROMALLOY AMERICAN CORP·Filed 1975·Granted Jan 4, 1977·9 cites·11 claims
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