Inventor

PERL DAVID I

US5 patents

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

ALCHEMY SYSTEMS L P

2 patents

USRE46969EJul 24, 2018

Multimedia training system and apparatus

ALCHEMY SYSTEMS L P0 citations38

US8356068B2Jan 15, 2013

Multimedia training system and apparatus

ALCHEMY SYSTEMS L P0 citations36

OTIS ELEVATOR CO

1 patent

US6038980AMar 21, 2000

Transferring freight or passenger cabs between moving bogies

OTIS ELEVATOR CO10 citations70

ACOSTA CARLOS A

1 patent

US9691292B1Jun 27, 2017

Multimedia training system and apparatus

ACOSTA CARLOS A1 citations35

MCGAR MICHAEL L

1 patent

US8498567B2Jul 30, 2013

Multimedia training system and apparatus

MCGAR MICHAEL L0 citations34