MH

Mitchell H. Hetrich

MT Msa Technology: 7 patents #10 of 110Top 10%
WE Werner: 4 patents #35 of 140Top 25%
Overall (All Time): #447,367 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11633634 Cut-resistant leading edge fall arrest system and method Jeffrey Harding, Gregory M. Grupp 2023-04-25
11191325 Harness connection arrangement 2021-12-07
10625105 Harness connector Robert Pitt 2020-04-21
10413761 Line retraction device having a damper assembly 2019-09-17
10328294 Load indicator for a fall protection apparatus Mark Hall, Jeffrey Wu, David Bao, James Zhan, Jim Zhan 2019-06-25
10207128 Fall protection device and adjustment mechanism therefor 2019-02-19
9199103 Fall protection arrangement David J. Losos 2015-12-01
6142255 Ladder, member for connecting a rail to a horizontal element of a ladder, and method David E. Plotner, Edward E. Heald, Richard P. Sulecki, Frederick J. Bartnicki 2000-11-07
5791439 Ladder, member for connecting a rail to a horizontal element of a ladder, and method, and apparatus and method for holding a washer David E. Plotner, Edward E. Heald, Kevin McIntire, Richard P. Sulecki, Frederick J. Bartnicki 1998-08-11
5758745 Extension ladder, combination end cap/guide bracket, and method for climbing Robert D. Beggs, Christine A. Leipheimer, Marc A. Mabie 1998-06-02
5636706 Ladder, member for connecting a rail to a horizontal element of a ladder, and method David E. Plotner, Edward E. Heald, Richard P. Sulecki, Frederick J. Bartnicki 1997-06-10