RH

Robert H. Heil

3M: 10 patents #1,587 of 11,543Top 15%
CE Christie Electric: 1 patents #2 of 8Top 25%
RTX (Raytheon): 1 patents #8,248 of 15,912Top 55%
Overall (All Time): #351,129 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D765061 Microphone base 2016-08-30
8189842 Low handling noise vocal microphone 2012-05-29
7308016 System and method for securing signals 2007-12-11
6887553 Roll of longitudinally folded masking material James F. Pitzen, Jeffrey J. Schwab 2005-05-03
6120867 Removable tape laminate Michael D. Hamerski 2000-09-19
5791586 Masking device hub providing two position tape support James D. Cayford, Philip V. Sadrakula, Stanley W. Widmer 1998-08-11
5667626 Masking device hub providing two position tape support James D. Cayford, Philip V. Sadrakula, Stanley W. Widmer 1997-09-16
5593771 Barrier laminate and method using a portable carrier for sealing gaps in building construction Joseph D. Lawless, Scott R. Pribnow, Duncan Russell 1997-01-14
5374477 Barrier laminate and method for sealing gaps in building construction Joseph D. Lawless, Scott R. Pribnow, Duncan Russell 1994-12-20
5269871 Tape applying device Frederic A. Longworth 1993-12-14
4990214 Masking device with tape tracking member Frederic A. Longworth, Allen J. Rivard 1991-02-05
4981537 Tape laminating device Frederic A. Longworth 1991-01-01
4915769 Masking machine Frederic A. Longworth, Allen J. Rivard 1990-04-10
4413221 Method and circuit for determining battery capacity Fred W. Benjamin 1983-11-01