SM

Steven Marcangelo

LM L&P Property Management: 12 patents #31 of 538Top 6%
PM Porter Sewing Machines: 7 patents #4 of 8Top 50%
Overall (All Time): #203,916 of 4,157,543Top 5%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
11946182 Sewing machine with adjustable stepping height and related methods 2024-04-02
10961645 Sewing machine with readily adjustable stepping height 2021-03-30
8458837 Methods for manufacturing a self-forming mattress cover Steve Wall, Justin R. Bloyd 2013-06-11
8074313 Methods for manufacturing a self-forming mattress cover 2011-12-13
7644671 Method and system of manufacturing a mattress and components thereof Dustin W. Smith, Kyle W. McClintock, Nathaniel Harris 2010-01-12
7617787 Programmable tucking attachment for a sewing machine and method 2009-11-17
7360497 Biasing mechanism for sewing machine presser foot John L. Sigouin 2008-04-22
7021227 Programmable tucking attachment for a sewing machine and method 2006-04-04
6983706 Method of manufacturing cover for a bedding product 2006-01-10
6973886 Sewing machine for sewing a welt cord to a web of border material 2005-12-13
6889622 Programmable tucking attachment for a sewing machine and method 2005-05-10
6877177 Bedding product 2005-04-12
6662737 Mattress label sewing clamp Robert T. Norton 2003-12-16
6000352 Method and apparatus for sewing fabric panels Michael R. Porter, Frank W. Laroe 1999-12-14
5927221 Method and apparatus for join and sew application Michael R. Porter, Frank W. Laroe 1999-07-27
5908004 Method and apparatus for manipulating and sewing flexible fabrics Michael R. Porter, John J. Kirby, Charles E. Mulcahey 1999-06-01
5738029 Method and apparatus for sewing handles on side panels on a box spring Michael R. Porter 1998-04-14
5529004 Method and apparatus for manipulating and sewing flexible fabrics Michael R. Porter, John J. Kirby, Charles E. Mulcahey 1996-06-25
5520129 Method and apparatus for join and sew application Michael R. Porter 1996-05-28
5461999 Edge guiding apparatus for sewing machines 1995-10-31
4825787 Method and apparatus for guiding fabric to a sewing machine Edward S. Babson, Thomas G. Brophy 1989-05-02