David E. Plotner — 9 Patents at Werner

David E. Plotner has been granted 9 US patents while listed as an inventor at Werner. The first was granted in 1996 and the most recent in January 2024. David E. Plotner ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list David E. Plotner in Greenville, PA, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date
11885181	Box rail backup and method	Thomas W. Parker, Kevin McIntire, Steve Dings, Robert D. Beggs	2024-01-30
7234203	Locking hinge for folding ladder	Brett Latimer, Ronald K. Burig, Christine A. Brown, John Fiumefreddo, Roy B. Bendickson +1 more	2007-06-26
7165649	Positioning system for folding ladder and method of installation of folding ladder using positioning system	Brett Latimer, Ronald K. Burig, Christine A. Brown, John Fiumefreddo, Roy B. Bendickson +1 more	2007-01-23
6994184	Stowable ladder configured for installation in an opening	Brett Latimer, Ronald K. Burig, Christine A. Brown, John Fiumefreddo, Roy B. Bendickson	2006-02-07
6991063	Stowable ladder configured for installation in an opening	Brett Latimer, Ronald K. Burig, Christine A. Brown, John Fiumefreddo, Roy B. Bendickson	2006-01-31
6142255	Ladder, member for connecting a rail to a horizontal element of a ladder, and method	Edward E. Heald, Richard P. Sulecki, Frederick J. Bartnicki, Mitchell H. Hetrich	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	Edward E. Heald, Kevin McIntire, Richard P. Sulecki, Mitchell H. Hetrich, Frederick J. Bartnicki	1998-08-11
5636706	Ladder, member for connecting a rail to a horizontal element of a ladder, and method	Edward E. Heald, Richard P. Sulecki, Frederick J. Bartnicki, Mitchell H. Hetrich	1997-06-10
D372105	Ladder pail shelf	—	1996-07-23

David E. Plotner — 9 Patents

Issued Patents All Time

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