WZ

William R. Ziegler

LC Leviton Manufacturing Co.: 30 patents #12 of 455Top 3%
OC Optex Co.: 3 patents #28 of 111Top 30%
SI Storage Technology Partners Ii: 1 patents #22 of 51Top 45%
📍 The Greens, MD: #1 of 7 inventorsTop 15%
🗺 Maryland: #304 of 35,612 inventorsTop 1%
Overall (All Time): #64,595 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 26–45 of 45 patents

Patent #TitleCo-InventorsDate
6717782 Circuit breaker with independent trip and reset lockout Nicholas L. DiSalvo, Frantz Germain, David Herzfeld, Stephen Stewart, Roger M. Bradley 2004-04-06
6671145 Reset lockout mechanism and independent trip mechanism for center latch circuit interrupting device Frantz Germain, Stephen Stewart, Roger M. Bradley, David Chan, Nichalas Disalvo 2003-12-30
6646838 Circuit interrupting system with independent trip and reset lockout Nicholas L. DiSalvo 2003-11-11
6437953 Circuit interrupting device with reverse wiring protection Nicholas L. DiSalvo 2002-08-20
6288882 Circuit breaker with independent trip and reset lockout Nicholas L. DiSalvo, Frantz Germain, David Herzfeld, Stephen Stewart, Roger M. Bradley 2001-09-11
6282070 Circuit interrupting system with independent trip and reset lockout Nicholas L. DiSalvo 2001-08-28
6252488 Metal oxide varistors having thermal protection Steve Campolo 2001-06-26
6246558 Circuit interrupting device with reverse wiring protection Nicholas L. DiSalvo 2001-06-12
5901027 Metal oxide varistors having thermal protection Steve Campolo 1999-05-04
5602622 Alignable negative stage for a photographic enlarger 1997-02-11
5376989 Alignable negative stage for a photographic enlarger 1994-12-27
5319630 Light-tight optical disk cartridge Allen M. Earman 1994-06-07
5239339 Alignment technique for a photographic enlarger 1993-08-24
5128849 Optical disk structures for electron trapping optical memory media Emerie I. Podraczky 1992-07-07
5113387 Three laser optical disk drive system Paul S. Goldsmith 1992-05-12
5057862 Alignment technique for a photographic enlarger 1991-10-15
5034766 Mirror assembly for a small and medium format copy camera 1991-07-23
4951087 Alignment technique for a photographic enlarger 1990-08-21
4733257 Alignment method and arrangement for use with a view camera 1988-03-22
4542495 Hermetically sealed disk cartridge with adjustable optical window Richard B. MacAnally 1985-09-17