Inventor

HOEKSTRA JAN P

2 patents

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

PENNEBAKER WILLIAM B

1 patent

US4221275ASep 9, 1980

Motor-assist vehicle

PENNEBAKER WILLIAM B53 citations86

IBM

1 patent

US3989385ANov 2, 1976

Part locating, mask alignment and mask alignment verification system

IBM27 citations78