Inventor
SCHAEFER PHILIP R
US6 patents
⚠️ This page may combine multiple inventors who share the name “SCHAEFER PHILIP R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHAEFER PHILIP R
5 patentsUS7684016B1Mar 23, 2010
Method and apparatus for measuring distances using light
SCHAEFER PHILIP R35 citations89
US7221437B1May 22, 2007
Method and apparatus for measuring distances using light
SCHAEFER PHILIP R42 citations89
US7123351B1Oct 17, 2006
Method and apparatus for measuring distances using light
SCHAEFER PHILIP R57 citations89
US9308377B1Apr 12, 2016
System and method for transmission of electrical signals in imperfectly-conducting media
SCHAEFER PHILIP R16 citations81
US10915242B1Feb 9, 2021
Interface to computer and other display information
SCHAEFER PHILIP R3 citations70