Hoffman, Jeffrey A., Ice Dam Analyzed, Journal of Light Construction, March 2010.
US Patent application – Low Friction Rod Persuader. Filed March, 2010.
US Patent US0234395A1- Insertion Instrument for a Spinal Fixation System. Sept. 17, 2009.
US Patent US0157125A1 – Spinal Rod Reducer and Cap Insertion Apparatus. June 18, 2009.
US Patent US28195155A1- Locking Instrument for Implantable Fixation Device. August 14, 2008.
US Patent US28045955A1- Spinal Rod Anchor device and Method. February 21, 2008.
US Patent 5686989- Transient Spray Patternator, a device used to measure mass-related properties within a transient spray on a temporal and spatial basis. November 11, 1997.
Utility Application Pending – Single Actuator Rod Reducer and Locking Instruments.
Utility Application Pending – Instrument for Manipulating Spinal Implant System.
Utility Application Pending – Tulip Inserter Apparatus for a Spinal Fixation System.
Provisional Patent – Device that Significantly Increases the Useful Life of a Shaving Razor. Submitted March 3, 2009.
Lehto, Paul R., and Jeffrey A. Hoffman, “Evidence of Election Irregularities in Snohomish County, Washington General Election, 2004.” Published online only.