Inventor

PENNIMAN JOSEPH D

US2 patents

Patents

2 patents

US10139416B2Nov 27, 2018

Methods of triggering activation of encapsulated signal-generating substances and apparatus utilising activated signal-generating substances

CAMPBELL NEIL J0 citations41

US8586387B2Nov 19, 2013

Methods of triggering activation of encapsulated signal-generating substances and apparatus utilising activated signal-generating substances

CAMPBELL NEIL J0 citations41