DH

David Hartman

IL Industrial Thermo Polymers Limited: 5 patents #2 of 7Top 30%
PA Parlec: 2 patents #2 of 6Top 35%
📍 Saranac, MI: #3 of 21 inventorsTop 15%
🗺 Michigan: #7,642 of 86,293 inventorsTop 9%
Overall (All Time): #417,933 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9603496 Toilet seat assembly 2017-03-28
8136971 Vehicular light assembly and associated method for repairing the same 2012-03-20
7077608 System for mounting a machine tool in a holder 2006-07-18
6533974 Method of forming a profile on a foam rod Steven Hartman 2003-03-18
6478700 Arrow spin device 2002-11-12
6322299 End mill holder 2001-11-27
6158999 Rotary die Steven Hartman 2000-12-12
D385591 Play structure Steven Hartman, Michael J. White, Jr. 1997-10-28
D377813 Playhouse Steven Hartman, Michael J. White, Jr. 1997-02-04
5419859 Method of forming pipe insulation with an adhesive closure Steven Hartman, Robert N. Jepson 1995-05-30
5417901 Method of forming pipe insulation with prestressed tape closure Steven Hartman, Robert N. Jepson 1995-05-23
5197738 Miniature golf course 1993-03-30