P

Inventor

NULL ROBERT A

US13 patents
⚠️ This page may combine multiple inventors who share the name “NULL ROBERT A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUNTER DOUGLAS

4 patents
US7168475B2Jan 30, 2007

Shutter-type covering for architectural openings

HUNTER DOUGLAS30 citations92
US7114545B2Oct 3, 2006

Magnetic catch for bottom rails of coverings for architectural openings

HUNTER DOUGLAS21 citations92
US6901988B2Jun 7, 2005

Shutter-like covering and hardware for architectural opening

HUNTER DOUGLAS26 citations92
US6808002B2Oct 26, 2004

Balanced tilt mechanism for a covering for an architectural opening

HUNTER DOUGLAS7 citations72

WILKERSON CORP

3 patents
US4631073ADec 23, 1986

Method and apparatus for theadsorptive fractionation of gases

WILKERSON CORP53 citations89
US4559065ADec 17, 1985

Twin tower gas fractionation apparatus

WILKERSON CORP32 citations89
USD292310SOct 13, 1987

Gas fractionator for drying compressed air

WILKERSON CORP1 citations49

SAMSONITE CORP

2 patents
US4299313ANov 10, 1981

Mobile luggage case handle assembly

SAMSONITE CORP47 citations92
US3944032AMar 16, 1976

Luggage case construction

SAMSONITE CORP47 citations90

BI INC

1 patent
US5298884AMar 29, 1994

Tamper detection circuit and method for use with wearable transmitter tag

BI INC151 citations97

AEGIS MEDICAL INC

1 patent
US5019056AMay 28, 1991

Bowel care apparatus

AEGIS MEDICAL INC55 citations93

AIR DRY CORP OF AMERICA

1 patent
US5344474ASep 6, 1994

Gas separation device

AIR DRY CORP OF AMERICA23 citations91

GARRETT CORP

1 patent
US4655100AApr 7, 1987

Rolling element jackscrew

GARRETT CORP13 citations73