Bruce E. Penning — 2 Patents at 3M

Bruce E. Penning has been granted 2 US patents while listed as an inventor at 3M. The first was granted in 2003 and the most recent in October 2004. Bruce E. Penning ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Bruce E. Penning in Stillwater, MN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6805124	Face mask that has a filtered exhalation valve	Daniel A. Japuntich, Nicole V. McCullough, Jane K. Peterson, Nicholas R. Baumann, John W. Bryant +1 more	2004-10-19	$27,462,000
6584976	Face mask that has a filtered exhalation valve	Daniel A. Japuntich, Nicole V. McCullough, Jane K. Peterson, Nicholas R. Baumann, John W. Bryant +1 more	2003-07-01	$15,310,000

Bruce E. Penning — 2 Patents

Issued Patents All Time

Patent Widget