Inventor

PETTIT DONALD R

US4 patents

⚠️ This page may combine multiple inventors who share the name “PETTIT DONALD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NASA

1 patent

US7357606B1Apr 15, 2008

Self-advancing step-tap tool

NASA44 citations88

US NAT AERONAUTICS AND SPACE A

1 patent

US7040319B1May 9, 2006

Method and apparatus for monitoring oxygen partial pressure in air masks

US NAT AERONAUTICS AND SPACE A53 citations86

UNIVERSITY PATENTS INC

1 patent

US4477187AOct 16, 1984

Apparatus and method for sizing particles

UNIVERSITY PATENTS INC16 citations71

IRPI LLC

1 patent

US9962024B2May 8, 2018

Capillary beverage cup

IRPI LLC0 citations26