Inventor

URCH HARVEY M

US5 patents

Patents

5 patents

US4241777ADec 30, 1980

Portable shell

WENGER CORP55 citations94

US4650145AMar 17, 1987

Slider mechanism

WENGER CORP33 citations89

USD264779SJun 8, 1982

Chair

WENGER CORP21 citations80

US3974894AAug 17, 1976

Portable riser

WENGER CORP22 citations80

US3964402AJun 22, 1976

Portable stage

WENGER CORP20 citations78